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

Harman's general catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (M.H. Harman Company, 1915)

Harmon's seeds : agricultural tools, implements, woodenware, dairy and poultry supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.T. Harmon & Co, 1901)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1928)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Son's, 1913)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1914)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1915)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1918)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1917)

Harrisons' nurseries 1924 : largest growers of fruit trees in the world - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1924)

Harrisons' nurseries 1925 : largest growers of fruit trees in the world - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1925)

Harrisons' Nurseries [catalog and price list] - Harrison's Nurseries (Berlin, Md.) (Harrisons' Nurseries, 1929)

Harrisons' nurseries fall 1926 : largest growers of fruit trees in the world - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1926)

Harrisons' Nurseries : fruit and ornamental nursery stock - Harrison's Nurseries (Berlin, Md.) (Harrisons' Nurseries, 1916)

Harrisons' nurseries : Harrisons' trees and shrubs - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1920)

Harrisons' nurseries : nurserymen and orchardists - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1919)

Harrisons' nurseries : nurserymen - orchardists - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1920)

Harrisons' nurseries : nurserymen - orchardists - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1921)

Harrisons' nurseries : "nurserymen - orchardists" - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1923)

Hauptkatalog, Nr. 92, 1907 : Wasserpflanzen, Baumschul und Stauden Katalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Heinrich Henkel, 1907)

he bei mu lan wei chang zhi wu zhi 河北木兰围场植物志 - Zhao, Jiancheng & Kong Zhaopu 赵建成, 孔照普 (ke xue chu ban she科学出版社, 2008)

he bei sheng guo shu zhi - he bei sheng nong ye ke xue yuan guo shu yan jiu suo (he bei ren min chu ban she, 1959)

he bei yuan chan ji xi xian zai pei zhi wu ming lu - Beijing da xue. Sheng wu xi.

he nan jing ji zhi wu zhi 河南经济植物志 - Shi, Huamin & Zhang Mingzhe 时华民 & 张铭哲 (he nan ren min chu ban she河南人民出版社, 1963)

Hedwigia (Verlag und Druck von C. Heinrich, 1873)

Hedwigia (Verlag und Druck von C. Heinrich, 1894)

Hedwigia (Verlag und Druck von C. Heinrich, 1897)

Hedwigia (Verlag und Druck von C. Heinrich, 1898)

Hedwigia (Verlag und Druck von C. Heinrich, 1912)

Hedwigia (Verlag und Druck von C. Heinrich, 1914)

Heteroptera, or true bugs of eastern North America, with especial reference to the faunas of Indiana and Florida - Blatchley, W. S. (Willis Stanley), 1859 -1940 (The Nature publishing company, 1926)

High grade fruit, shade and ornamental trees, hardy shrubs, evergreens, vines and roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin Davis Nursery Co, 1909)

High grade fruit, shade and ornamental trees, hardy shrubs, evergreens, vines and roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin Davis Nursery Company, 1916)

High grade fruit, shade and ornamental trees, hardy shrubs, evergreens, vines and roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin Davis Nursery Company, 1914)

High-grade fruit, shade and ornamental trees, hardy shrubs, evergreens, vines and roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin Davis Nursery Company, 1918)

Hillsdale Gardens invite you. Price list 11 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillsdale Landscape Company, 1954)

Hillsdale Gardens invite you. Price list 11 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillsdale Landscape Company, 1956)

Hillsdale Gardens invites you - : 1959 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillsdale Landscape Company, 1959)

Histoire des arbres et arbrisseaux qui peuvent être cultivés en pleine terre sur le sol de la France - Desfontaines, René Louiche, 1750 -1833 (J. A. Brosson, 1809)

Histoire des plantes - Figuier, Louis, 1819 -1894 (Hachette, 1880)

Histoire des plantes - Baillon, H. (Henri), 1827 -1895 (Librairie Hachette, 1870)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1834)

Histoire physiologique des Plantes d'Europe, ou exposition des phénomènes qu'elles presentent dans les diverses periodes de leur développement - Vaucher, Jean-Pierre, 1763 -1841 (Aurel Freres, 1841)

Hobbs Nursery Stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1935)

Holmes' handbook of seeds - Holmes Seed Company (Harrisburg, Pa.) (The Company, 1907)

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)

"Home landscapes" : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm & Olson, Inc, 1928)

"Home landscapes" : 1929 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm & Olson, Inc, 1929)

Hoopes, Bro. & Thomas Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1917)

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. (Hoopes, Bro. & Thomas Company, 1915)

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, 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 annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1921)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1925)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1926)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1927)

Horsford's autumn supplement 1914 : hardy plants for cold climates - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1914)

Horsford's autumn supplement 1919 : cold weather plants and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1919)

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 Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1920)

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, 1915)

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, 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)

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

Horticultural supplies, seeds - Dunne & Co. (Dunne & Co, 1899)

Horticultural supplies, seeds - Dunne & Co. (Dunne & Co, 1900)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1921)

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

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1847)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1870)

Hortus Boissierianus : énumération des plantes cultivées en 1885 à Valleyres (Vaud) et à la Pierrière (Chambésy près Genève) - Durand, Th. (Théophile), 1855 -1912 (Georg & Cie, 1896)

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)

Hortus suburbanus Calcuttensis; A catalogue of the plants which have been cultivated in the Hon. East India Company's botanical garden, Calcutta, and in the Serampore botanical garden - Voigt, J. O. (Jahann Otto), 1798 -1843 (Bishop's College Press, 1845)

A host index of Mississippi plant diseases - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1947)

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

House & garden (Condé Nast Publications, etc.], 1907)

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

House & garden (Condé Nast Publications, etc.], 1917)

House & garden (Condé Nast Publications, etc.], 1920)

House & garden (Condé Nast Publications, etc.], 1922)

Hovey & Co.'s illustrated guide to the flower and vegetable garden, and catalogue of seeds - Hovey & Co. (Hovey & Co, 1876)

Hovey's illustrated catalogue of new and rare plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1882)

Hoveys' illustrated catalogue of new and rare plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1881)

Hoveys' illustrated catalogue of new and rare plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1879)

Hoveys' illustrated catalogue of new and rare plants for 1877 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1877)

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

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

How to know the butterflies; a manual of the butterflies of the eastern United States - Comstock, John Henry, 1849 -1931 (D. Appleton, 1904)

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

Howell Nurseries : azaleas, magnolias, hollies, evergreens, flowering shrubs, ornamental trees and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1939)

Howell Nurseries : azaleas, magnolias, hollies, evergreens, flowering shrubs, ornamental trees and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1937)

Howell's descriptive catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1933)

Howell's descriptive catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1929)

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)

hu nan lin ye - Hunan lin xue yuan (gao deng jiao yu chu ban she, 1959)

hua bei jing ji zhi wu zhi yao - Cui, Youwen. (zhong guo ke xue yuan chu ban)

huang he zhong you huang tu qu zhi wu ming lu - Zhongguo ke xue yuan. Xi bei sheng wu tu rang yan jiu suo zhi wu zu bian (zhong guo ke xue yuan chu ban)

huang he zhong you zhi bei qu hua ji bao tu zhi wu zai pei - Cui, Youwen. (ke xue chu ban she)

huang tu gao yuan zhi wu zhi - Xi bei zhi wu yan jiu suo 西北植物研究所 (zhon guo lin ye chu ban she, 1992)

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)

Iconographia familiarum naturalium regni vegetabilis = Abbildungen der natürlichen Familien des Gewächsreiches : delineata atque adiectis familiarum characteribus adnotationibusque variis tum scientiam tum usum spectantibus exornata - Schnizlein, Adalbert, 1814 -1868 (M. Cohen, 1843)

Iconographia floræ italicæ : ossia, Flora italiana illustrata ... - Crépin, François, 1830 -1903 (Tip. del seminario, 1895)

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)

Identification notes - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1954)

Identification of crop and weed seeds - Musil, Albina F. (Albina Frances), 1894 - (Agricultural Marketing Service, U.S. Dept. of Agriculture, 1963)

The identification of trees & shrubs; how to recognize, without previous knowledge of botany, wild or garden trees and shrubs native to the north temperate zone - Makins, F. K. (Dutton, 1937)

I.E. Ilgenfritz' Sons Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1925)

Eighth edition of R. Buist's catalogue of green-house plants, ornamental trees, shrubs, roses, herbacious plants, &c - Robert Buist Company (Robert Buist Company, 1844)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1953)

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

Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 1987)

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)

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

Illustrated and descriptive catalogue of fruit and ornamental trees : roses grape vines shrubs small fruits plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Nursery Co, 1910)

Illustrated and descriptive catalogue of fruit and ornamental trees : roses grape vines shrubs small fruits plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Nursery Co, 1912)