Histoire naturelle des végétaux parasites qui croissent sur l'homme et sur les animaux vivants - Robin, Ch. (J.-B. Ballière, 1853)

Histoire naturelle illustrée: les plantes - Faideau, Ferdinand, 1862 -1930? (Larousse, 1922)

Home garden and landscape guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1931)

Home garden and landscape guide, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1932)

Home garden and landscape guide : 1933 discounts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1933)

Hooker's journal of botany and Kew Garden miscellany - Hooker, William Jackson, Sir, 1785 -1865 (Reeve, Benham, and Reeve, 1850)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1922)

Horsford's annual list for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1956)

Horsford's annual list for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1952)

Horsford's annual list for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1953)

Horsford's annual list for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1954)

Horsford's annual list for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1955)

Horsford's annual list of perennials and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1958)

Horsford's annual list of perennials and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1959)

Horsford's annual list of perennials and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1961)

Horsford's annual list of perennials and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1962)

Horsford's annual list of perennials and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1964)

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 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 hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1951)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1945)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1946)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1947)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1948)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1949)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1950)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties, perennials, hardy lilies ... : fifty years, 1893-1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1943)

Horsford's hardy plants and bulbs : over fifty years, 1893-1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1944)

Horsford's lilies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1949)

Horsford's lilies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1950)

Horsford's lilies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1952)

Horsford's lilies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1953)

Horsford's lilies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1954)

Horsford's lilies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1955)

Horsford's lilies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1951)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1904)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1909)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1901)

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, 1915)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1914)

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, 1916)

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, 1917)

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)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1935)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1938)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens - shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1937)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1940)

Horsford's special list for spring planting : regal plants and bulbs. : 1939 spring supplement - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1939)

Horsford's special list for spring planting : regal plants and bulbs : 1942 spring supplement - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1942)

Horsford's special list for spring planting : regal plants and bulbs. : 1941 spring supplement - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1941)

Horsford's trade list of bulbs, ferns, orchids, and bog plants for the summer and autumn of '93 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1893)

Horticultural register, and gardener's magazine - Breck, Joseph, 1794 -1873 (G. D. Barrett [etc.], 1835)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1906)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1910)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1914)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1917)

L'horticulture dans les cinq parties du monde - Société nationale d'horticulture de France. (Société Nationale d'Horticulture, 1895)

Horticulture Northwest - Northwest Ornamental Horticultural Society (Northwest Ornamental Horticultural Society, 1980)

Horticulture Northwest - Northwest Ornamental Horticultural Society (Northwest Ornamental Horticultural Society, 1984)

Horticulture Northwest - Northwest Ornamental Horticultural Society (Northwest Ornamental Horticultural Society, 1986)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1848)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1860)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1861)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1864)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1872)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1875)

Hortus Elginensis, or A catalogue of plants, indigenous and exotic, cultivated in the Elgin Botanic Garden, in the vicinity of the city of New-York : established in 1801 - Hosack, David, 1769 -1835 (Printed by T. & J. Swords, 1811)

Hosea Waterer Golden Anniversary, 1892-1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1942)

House & garden (Condé Nast Publications, etc.], 1911)

House & garden (Condé Nast Publications, etc.], 1913)

How ferns grow - Slosson, Margaret (Holt, 1906)

How ferns grow - Slosson, Margaret (H. Holt, 1906)

How to know the ferns : a guide to the names, haunts, and habits of our common ferns - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's Sons, 1911)

How to know the ferns; a guide to the names, haunts and habits of our common ferns - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's Sons, 1915)

How to know the ferns; a guide to the names, haunts and habits of our common ferns - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1899)

How to know the ferns; a guide to the names, haunts, and habits of our common ferns - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's Sons, 1915)

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)

How to make a flower garden; a manual of practical information and suggestions - Miller, Wilhelm, 1869 - (Doubleday, Page & company, 1903)

How to study plants - Wood, Alphonso, 1810 -1881 (American book company, 1895)

hu bei en shi yao yong zhi wu zhi 湖北恩施药用植物志 - Fang, Zhixian & Liao Chaolin 方志先，廖朝林 (hu bei ke xue ji shu chu ban she湖北科学技术出版社, 2006)

Hunt's perfection seeds, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1931)

Hunt's perfection seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1932)

Hunt's perfection seeds, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1933)

Hunt's perfection seeds, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1934)

Hunt's perfection seeds, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co., Inc, 1935)

Hunt's perfection seeds, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1940)

Hunt's perfection seeds, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1941)

Huntington's 1942 presentation of fine alpine, perennial and annual seeds, hardy herbaceous plants, new novelties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1942)

The ice age in North America and its bearings upon the antiquity of man - Upham, Warren, 1850 -1934 (Bibliotheca Sacra Company, 1911)

Icones plantarum medico-oeconomico-technologicarum cum earum fructus ususque descriptione =Abbildungen aller medizinisch-ökonomisch-technologischen Gewächse mit der Beschreibung ihres Gebrauches und Nutzens - Albrecht, Ignatz. (herausgegeben von Ignatz Albrecht und verlegt bey Phil. Jos. Schalbaecher, 1806)

Iconographic encyclopaedia of science, literature, and art - Baird, Spencer Fullerton, 1823 -1887 (R. Garrigue, 1851)

Iconum botanicarum index locupletissimus = Die Abbildungen sichtbar blühender Pflanzen und Farnkräuter : aus der botanischen und Gartenliteratur des XVIII. und XIX. Jahrhunderts in alphabetischer Folge zusammengestellt - Pritzel, G. A. (Georg August), 1815 -1874 (In Libraria F. Nicolai, 1855)

Iconum botanicarum index locupletissimus. Verzeichniss der Abbildungen sichtbar blühender Pflanzen und Farnkräuter aus der botanischen und Gartenliteratur des XVIII. und XIX. Jahrhunderts in alphabetischer Folge zusammengestellt - Pritzel, G. A. (Georg August), 1815 -1874 (Nicolaische Verlagsbuchh, 1866)

Idaho's rare vascular flora : bibliography, 1896-1991 - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1992)

IES newsletter - Institute of Ecosystem Studies (New York Botanical Garden) (New York Botanical Garden, Institute of Ecosystem Studies, Mary Flagler Cary Arboretum, 1989)

Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 2007)

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

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 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 (Balliére, Tindall & Cox, 1894)

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)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston, Son & Co, 1894)

An illustrated flora of the northern United States, Canada and the British possesions from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102d meridian. Vol. 3, Apocynaceae to Compositae, dogbane to thistle - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner, 1896)

An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's sons, 1913)

An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's sons, 1913)

An illustrated flora of the northern United States, Canada and the British possessions from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's Sons, 1896)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1923)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1869)

In my lady's garden - Richmond, I. L. (T.F. Unwin, 1908)

Index filicum: a synopsis, with characters, of the genera, and an enumeration of the species of ferns, with synonymes, references, &c., &c - Moore, Thomas, 1821 -1887 (W. Pamplin, 1857)