Home planting guide for 1942 : ornamental trees, shrubs, roses, evergreens, fruits, nuts, berries, garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Co, 1942)

Honey plants of California - Richter, M. C. (Max Clemens), 1884 - (Agricultural Experiment Station, 1911)

Hymenoptera of America north of Mexico : synoptic catalog - Krombein, Karl V. (U.S. Dept. of Agriculture, 1951)

Hymenoptera of America north of Mexico : synoptic catalog, first supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1958)

Hymenoptera of America north of Mexico : synoptic catalog, second supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1967)

Icones muscorum, or, Figures and descriptions of most of those mosses peculiar to North America which have not yet been figured - Sullivant, William S. (William Starling), 1803 -1873 (Charles W. Sever, 1874)

Icones plantarum or figures, with brief descriptive characters and remarks, of new or rare plants, selected from the author's herbarium - Hooker, Joseph Dalton, 1817 -1911 (Longman, Rees, Orme, Brown, Green, & Longman, etc, 1841)

The identification of important North American oak woods, based on a study of the anatomy of the secondary wood - Mell, Clayton Dissinger, (Govt. print. off, 1911)

Identification of the economic woods of the United States; including a discussion of the structural and physical properties of wood - Record, Samuel J. (Samuel James), 1881 -1945 (Wiley, 1919)

Identification of the economic woods of the United States, including a discussion of the structural and physical properties of wood - Record, Samuel J. (Samuel James), 1881 -1945 (John Wiley & sons, inc.; [etc., etc. ], 1919)

Identification of the economic woods of the United States, including a discussion of the structural and physical properties of wood - Record, Samuel J. (Samuel James), 1881 -1945 (John Wiley & sons, inc.; [etc., etc.], 1919)

Identification of the economic woods of the United States, including a discussion of the structural and physical properties of wood - Record, Samuel J. (Samuel James), 1881 -1945 (J. Wiley & Sons, 1919)

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)

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

Illustrated 1925 descriptive catalog, our sixtieth anniversary - Roeding, George Christian, 1868 -1928 (California Nursery Company, 1925)

An illustrated catalogue of American insect galls - Felt, Ephraim Porter, 1868 -1943 (1915)

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

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

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1960)

Illustrated price catalogue & practical planters guide combined : 1919 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1919)

Illustrated price catalogue : 1917 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1917)

Illustrations of West American oaks. From drawings by Albert Kellog; the text by Edward L. Greene. Published from funds provided by James M. McDonald - Greene, Edward Lee, 1843 -1915 ([Printed by Bosqui Engraving and Print. Co.], 1889)

Illustriertes Handbuch der Laubholzkunde; Charakteristik der in Mitteleuropa heimischen und im Freien angepflanzten angiospermen Gehölz-Arten und Formen mit Ausschluss der Bambuseen und Kakteen. Register - Schneider, Camillo, 1876 -1951 (G. Fischer, 1912)

Index to Plant disease reporter supplements 224-229, 1954 - United States. Plant Disease Epidemics; Identification Section. (Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1955)

Indiana University studies - Indiana University (The University)

Indiana University studies - Indiana University (The University, 1929)

Injurious and beneficial insects of California - California. State Commission of Horticulture. (California state printing office, 1915)

Insect life - United States. Division of Entomology. (G.P.O, 1888)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1889)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1892)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1893)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1897)

Insects injurious to forest and shade trees - Packard, A. S. (Alpheus Spring), 1839 -1905 (Govt. print. off, 1881)

The International Phytogeographic Excursion (I.P.E.) in America, 1913 - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Botany School, 1915)

Internationally dangerous forest tree diseases - International Union of Forest Research Organizations. Working Group on International Cooperation in Forest Disease Research. (U.S. Dept. of Agriculture, Forest Service, 1963)

An introduction to California plant life - Ornduff, Robert (University of California Press, 1974)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (Comstock, 1888)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (The Comstock publishing co, 1920)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (The Comstock publishing co., inc, 1933)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (J.S. Comstock, 1888)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (The author, 1888)

Invertebrata pacifica - Pomona College (Claremont, Calif.). Department of Biology. (1904)

Irish gardening (Pub. Office, 1906)

John Charles Frémont : botanical explorer - Welsh, Stanley L. (Missouri Botanical Garden Press, 1998)

Journal kept by David Douglas during his travels in North America 1823-1827, together with a particular description of thirty-three species of American oaks and eighteen species of Pinus, with appendices containing a list of the plants introduced by Douglas and an account of his death in 1834. Published under the direction of the Royal Horticultural Society - Royal Horticultural Society (Great Britain) (W. Wesley & Son, 1914)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1910)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1911)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1914)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1917)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1919)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1920)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1921)

Journal of entomology and zoology - Pomona College (Claremont, Calif.). Dept. of Zoology. (Pomona College Dept. of Zoology, 1913)

Journal of entomology and zoology - Pomona College (Claremont, Calif.). Dept. of Zoology. (Pomona College Dept. of Zoology, 1914)

Journal of entomology and zoology - Pomona College (Claremont, Calif.). Dept. of Zoology. (Pomona College Dept. of Zoology, 1915)

Journal of entomology and zoology - Pomona College (Claremont, Calif.). Dept. of Zoology. (Pomona College Dept. of Zoology, 1922)

Journal of ethnobiology - Center for Western Studies (Flagstaff, Ariz.) (Center for Western Studies, 1983)

Journal of forestry - Society of American Foresters. (Society of American Foresters, 1917)

Journal of forestry - Society of American Foresters. (Society of American Foresters, 1921)

The Journal of geology - University of Chicago. Dept. of Geology (University of Chicago Press, 1906)

The Journal of heredity - American Genetic Association. (American Genetic Association, 1915)

The Journal of horticulture, cottage gardener and country gentlemen (George W. Johnson and Robert Hogg, 1871)

Journal of Hymenoptera research - International Society of Hymenopterists (International Society of Hymenopterists, 2002)

Journal of Hymenoptera research - International Society of Hymenopterists (International Society of Hymenopterists, 2008)

Journal of mammalogy - American Society of Mammalogists. (American Society of Mammalogists, 1922)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1885)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1888)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1894)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1903)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1904)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1907)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2000)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2005)

The Journal of Research on the Lepidoptera - Lepidoptera Research Foundation (Lepidoptera Research Foundation, 1965)

The Journal of Research on the Lepidoptera - Lepidoptera Research Foundation (Lepidoptera Research Foundation, 1966)

The Journal of Research on the Lepidoptera - Lepidoptera Research Foundation (Lepidoptera Research Foundation, 1971)