Guide to the study of common plants - Spalding, Volney M. (Volney Morgan), 1849 -1918 (Heath & co, 1893)

Guide to the study of common plants. An introduction to botany - Spalding, Volney M. (Volney Morgan), 1849 -1918 (D. C. Heath, 1895)

Guide to the study of common plants. An introduction to botany - Spalding, Volney M. (Volney Morgan), 1849 -1918 (D. C. Heath, 1895)

Guide to the study of common plants : an introduction to botany - Spalding, Volney M. (Volney Morgan), 1849 -1918 (D.C. Heath & Co, 1894)

A guide to the wild flowers - Britton, Nathaniel Lord, 1859 -1934 (F. A. Stokes, 1899)

A guide to the wild flowers - Britton, Nathaniel Lord, 1859 -1934 (F. A. Stokes, 1899)

A guide to the wild flowers - Rowan, Ellis, 1848 -1922 (W. Briggs, 1899)

A guide to the wild flowers - Rowan, Ellis, 1848 -1922 (Stokes, 1899)

A guide to the wild flowers east of the Mississippi and north of Virginia - Taylor, Norman, 1883 -1967 (Greenberg, 1928)

Haliburton flora : an annotated list of the vascular plants of the County of Haliburton, Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1991)

Hand-list of herbaceous plants cultivated in the Royal Botanic Gardens (Printed for H. M. Stationery Off. by Darling, 1902)

Handbook of experiment station work - United States. Office of Experiment Stations. (Gov't print. off, 1893)

Handbook of flower pollination : based upon Hermann Müller's work ʻThe fertilisation of flowers by insectsʼ - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination : based upon Hermann Müller's work ʻThe fertilisation of flowers by insectsʼ - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1906)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1906)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1909)

Handbook of fruit and ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1910)

Handbook of hardy trees, shrubs, and herbaceous plants. Based on the French work of Messrs. Decaisne and Naudin entitled 'Manuel de l'amateur des jardins,' and including the original woodcuts by Riocreux and Leblanc - Decaisne, Joseph, 1807 -1882 (Estes & Lauriat, 1873)

Handbook of ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1904)

Handbook of plants and general horticulture - Henderson, Peter. (1890)

Handbook of the flora of Philadelphia and vicinity, containing data relating to the plants within the following radius: eastern Pennsylvania; all of New Jersey except the northern counties; and New Castle County, Delaware, with keys for identification of species - Brown, Stewardson, 1867 -1921 (Philadelphia Botanical Club, 1905)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der botanischen terminologie und systemkunde - Bischoff, Gottlieb Wilhelm, 1797 -1854 (1830)

Handbuch der Pflanzen-Pathologie und Pflanzen-Teratologie - Nees von Esenbeck, C. G. (Christian Gottfried), 1776 -1858 (1841)

Handbuch der technischen Mykologie; für technische Chemiker, Nahrungsmittelchemiker, Gärungstechniker, Agrikulturchemiker, Landwirte, Kulturingenieure, Fortswirte und Pharmaceuten - Lafar, Franz, 1865 - (Fischer, 1904)

Handbuch der technischen Mykologie. Unter Mitwirkung [von] J. Behrens [et al.] hrsg. von Franz Lafar - Lafar, Franz, 1865 - (G. Fischer, 1904)

Handbuch für botanische Bestimmungsübungen - Niedenzu, Franz, 1857 -1937 (Engelmann, 1895)

Handwörterbuch der Pharmakognosie des Pflanzenreichs - Wittstein, Georg Christian, 1810 -1887 (E. Trewendt, 1882)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Hardy flowers. Descriptions of upwards of thirteen hundred of the most ornamental species, with directions for their arrangement, culture, etc. ... - Robinson, W. (William), 1838 -1935 (Macmillan, 1878)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1936)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1928)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : 1931 prices slashed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1932)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : [1934] prices slashed : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1934)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1930)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1931)

Hardy herbaceous plants and ornamental grasses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink and Atkins, 1903)

Hardy native lilies, orchids, ferns, aquatic and bog plants, and wild flowers : wholesale trade list, fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1935)

Hardy native plants, evergreens and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1934)

Hardy native plants, evergreens and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1935)

Hardy native plants, evergreens and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1932)

Hardy native plants, evergreens and shrubs, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Co, 1932)

Hardy native plants, evergreens and shrubs, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles H. Williams Nurseries, 1940)

Hardy native plants, evergreens and shrubs, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles H. Williams Nurseries, 1941)

Hardy native plants, evergreens, trees and shrubs : 1943 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles H. Williams Nurseries, 1943)

Hardy native plants, evergreens, trees and shrubs : 1945 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles H. Williams Nurseries, 1945)

Hardy native plants, evergreens, trees and shrubs : 1947 wholesale price-list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles H. Williams Nurseries, 1947)

Hardy native plants, evergreens, trees and shrubs : 1948 wholesale price-list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles H. Williams Nurseries, 1948)

Hardy native plants, evergreens, trees and shrubs : 1950 wholesale price-list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles H. Williams Nurseries, 1950)

Hardy ornamentals : trees, plants bulbs ferns shrubs, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1899)

Hardy ornamentals trees plants bulbs shrubs ferns vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1900)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1938 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1938)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1940 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1940)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1942 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1942)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1937 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1937)

Hardy perennials and old-fashioned garden flowers. Describing the most desirable plants for borders, rockcries, and shrubberies, and including both foliage and flowering plants - Wood, John, of Woodville, Eng. (L.U. Gill, 1884)

Hardy perennials and old-fashioned garden flowers. Describing the most desirable plants for borders, rockcries, and shrubberies, and including both foliage and flowering plants - Wood, John, of Woodville, Eng. (L.U. Gill, 1884)

Hardy perennials and old-fashioned garden flowers. Describing the most desirable plants for borders, rockcries, and shrubberies, and including both foliage and flowering plants - Wood, John, of Woodville, Eng. (L.U. Gill, 1884)

Hardy perennials and old-fashioned garden flowers. Describing the most desirable plants for borders, rockcries, and shrubberies, and including both foliage and flowering plants - Wood, John, of Woodville, Eng. (L.U. Gill, 1884)

Hardy perennials, ferns, and seeds collected by Mackinaw Perennial Company : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1933)

Hardy plants for New England gardens, 1934 : perennials, rock plants, flowering shrubs, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1934)

Hardy plants for New England gardens : perennials, rock plants, flowering shrubs, evergreens, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1935)

Hardy plants for the home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1928)

Hardy plants for the home garden, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1937)

Hardy plants for the home garden, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1941)

Hardy plants for the home garden, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. A. Toole of Garry-Nee-Dule, 1942)

Hardy plants for the home garden : season 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1929)

Hardy plants for the home garden : season 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1930)

Hardy plants for the home garden : season 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1931)

Hardy plants for the home garden : season 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1932)

Hardy plants for the home garden : Wisconsin wild flowers, perennials and herb plants : fall of 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1941)

Hardy plants : root strength, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1936)

Hardy plants, root strength, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1937)

Hardy wild flowers, ferns, etc., rock garden, pool plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andy's Wild Flower Gardens, 1949)

Hardy wild flowers, ferns, etc., rock garden, pool plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andy's Wild Flower Gardens, 1944)

Hardy wild flowers of prairieland : 1927 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fannie M. Heath, 1927)

Hardy wild flowers of prairieland : 1927 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fannie M. Heath, 1927)

[Harlan P. Kelsey (Firm) materials] - Harlan P. Kelsey (Firm) (1885)

Harper's guide to wild flowers - Creevey, Caroline A. Stickney, 1843 -1920 (Harper, 1912)

Harper's guide to wild flowers - Creevey, Caroline A. Stickney, 1843 -1920 (Harper, 1912)

Harper's guide to wild flowers - Creevey, Caroline A. Stickney, 1843 -1920 (Harper, 1912)

Harper's guide to wild flowers - Creevey, Caroline A. Stickney, 1843 -1920 (Harper, 1912)

Hedwigia (Verlag und Druck von C. Heinrich, 1875)

Hedwigia (Verlag und Druck von C. Heinrich, 1885)

Hedwigia (Verlag und Druck von C. Heinrich, 1902)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1891)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1890)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1890)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & company, 1910)

Henderson's Handbook of plants - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1881)

Herb-grower's handbook : a complete seed list with growing and drying information - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Laurel Hill Herb Farm, 1945)

Herb magic and hardy plants for the home garden, 1943 : herb plants and seeds, native ferns and wild flowers, perennials, rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tooles of Garry-Nee-Dule, 1943)

Herb magic and hardy plants for the home garden, 1944 : herb plants and seeds, herb products, native ferns and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tooles of Garry-Nee-Dule, 1944)

Herb magic and Wisconsin ferns, wild flowers : herb plants and seeds, herb products, native ferns and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tooles, 1946)

Herb magic and Wisconsin ferns, wild flowers : herb plants and seeds, herb products, native ferns and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tooles of Garry-nee-Dule, 1949)

Herb magic and Wisconsin ferns, wild flowers : herb plants and seeds, herb products, native ferns and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tooles, 1945)

Herb magic and Wisconsin ferns, wild flowers : herb plants and seeds, herb products, native ferns and wild flowers - Tooles of Garry-Nee-Dule. (Tooles, 1950)

Herb magic and Wisconsin ferns, wild flowers : herb plants and seeds, herb products, native ferns and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Tooles of Garry-nee-Dule, 1948)

Herb magic and Wisconsin ferns, wild flowers : herb plants and seeds, herb products, native ferns and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tooles, 1947)

Herbs for flavor and fragrance - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hav'alook Gardens, 1953)

Herbs for flavor and fragrance - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hav'alook Gardens, 1957)

Herbs for flavor and fragrance - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hav'alook Gardens, 1956)

Herbs for flavor and fragrance - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hav'alook Gardens, 1958)

Herbs for flavor and fragrance - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hav'alook Gardens, 1955)

Herbs for flavor and fragrance - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hav'alook Gardens, 1952)

Here they come! : the elite on parade, garden lovers and enthusiasts stand by! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New Market Perennial Gardens, 1936)

Hill prairies of Illinois - Illinois. Natural History Survey Division (1955)

Histoire naturelle des végétaux Phanérogames Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1840)

Histoire naturelle des végétaux Phanérogames Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1840)

History of Delaware County, Pennsylvania, from the discovery of the territory included within its limit to the present time, with a notice of the geology of the county, and catalogues of its minerals, plants, quadrupeds, and birds, written under the direction and appointment of the Delaware County Institute of Science - Delaware County Institute of Science. (Printed by H.B. Ashmead, 1862)

The history of the several towns, manors, and patents of the county of Westchester, from its first settlement to the present time - Bolton, Robert, 1814 -1877 (C.F. Roper, 1881)

The history of the several towns, manors, and patents of the county of Westchester, from its first settlement to the present time - Bolton, Robert, 1814 -1877 (C. F. Roper, 1881)

Hooker's journal of botany and Kew Garden miscellany - Hooker, William Jackson, Sir, 1785 -1865 (Reeve, Benham, and Reeve, 1851)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1915)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1910)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1910)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1912)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1908)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1914)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1918)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1921)

Hoopes, Brother & Thomas, Maple Avenue Nurseries : semi annual trade list spring 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1894)

Horsford's autumn supplement 1925 : cold weather plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1925)

Horsford's autumn supplement 1926 : cold weather plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1926)

Horsford's descriptive catalogue of hardy ornamentals herbaceous plants bulbs, ferns shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1895)

Horsford's descriptive catalogue of hardy ornamentals herbaceous plants bulbs ferns shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1894)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1913)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1906)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1915)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1907)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1908)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1910)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1911)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1912)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1909)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1911)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1919)

Hortus kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew - Aiton, William, 1731 -1793 (Longman, Hurst, Rees, Orme, and Brown, 1810)

Host plants of leaf beetle species occurring in the United States and Canada : (Coleoptera: Megalopodidae, Orsodacnidae, Chrysomelidae, excluding Bruchinae) - Coleopterists Society. (Coleopterists Society, 2004)

Host plants of leaf beetle species occurring in the United States and Canada : (Coleoptera: Megalopodidae, Orsodacnidae, Chrysomelidae, excluding Bruchinae) - Coleopterists Society. (Coleopterists Society, 2004)

How to keep bees for profit - Lyon, D. Everett. (The Macmillan company, 1910)

How to keep bees for profit - Lyon, D. Everett. (The Macmillan company, 1910)

How to keep bees for profit - Lyon, D. Everett. (The Macmillan company, 1910)

How to keep bees for profit - Lyon, D. Everett. (The Macmillan company, 1918)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner, 1895)

How to know the wild flowers: a guide to the names, haunts, and habits of our common wild-flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1900)

How to know the wild flowers; a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1898)

How to know the wild flowers: a guide to the names, haunts, and habits of our common wild-flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1900)

How to know the wild flowers; a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1898)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner, 1895)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner, 1895)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Scribner, 1921)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1893)

How to know the wild flowers. A guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's Sons, 1893)

How to know the wild flowers. A guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's Sons, 1893)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1893)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Scribner, 1921)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Charles Scribner's Sons, 1913)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Charles Scribner's Sons, 1893)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Charles Scribner's Sons, 1893)

How to know the wild flowers : a guide to the names, haunts and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Scribner's, 1904)

How to know the wild flowers : a guide to the names, haunts and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Scribner's, 1904)

How to make a country place; an account of the successes and the mistakes of an amateur in thirty-five years of farming, building and development: together with a practical plan for securing a home and an independent income, starting with small capital - Sawyer, Joseph Dillaway. (Orange Judd company; [etc., etc.], 1914)

How to make a country place; an account of the successes and the mistakes of an amateur in thirty-five years of farming, building, and development - Sawyer, Joseph Dillaway. (Orange Judd company; [etc., etc.], 1914)

Iconographia botanica exotica, sive Hortus botanicus - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (1824)

Iconographia botanica exotica, sive Hortus botanicus - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (1824)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1997)

Illinois River Bluffs area assessment - Illinois. Dept. of Natural Resources. (Illinois Dept. of Natural Resources, 1998)

Illinois wetland restoration and creation guide - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1997)

Illinois wetland restoration and creation guide - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1997)

Illinois wetland restoration and creation guide - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1997)

Illinois wild flowers - Eifert, Virginia Louise Snider, 1911 -1966 (1960)

Illinois wild flowers - Eifert, Virginia Louise Snider, 1911 -1966 (1960)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

The illustrated dictionary of gardening, a practical and scientific encyclopedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. U. Gill, 1884)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son & Co, 1900)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son & Co, 1900)

An illustrated dictionary of medicine, biology and allied sciences ... by George M. Gould. 5th ed., with additions and corrections - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son, 1907)