The Hoyt Nurseries, 1848-1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoyt Nurseries, 1950)

The Hoyt Nurseries, 1848-1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Stephen Hoyt's Sons Co., Incorporated, 1955)

The Hoyt Nurseries, 1848-1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Stephen Hoyt's Sons Co., Incorporated, 1956)

The Hoyt Nurseries, 1848-1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Stephen Hoyt's Sons Co., Incorporated, 1957)

Huntsville Nurseries : high quality trees, shrubs, evergreens & roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nurseries, 1928)

Huntsville Nurseries : high quality trees, shrubs, evergreens, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nurseries, 1926)

Huntsville Nurseries : high quality trees, shrubs, evergreens & roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nurseries, 1927)

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 & Son, 1912)

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)

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

IES newsletter - Institute of Ecosystem Studies (New York Botanical Garden) (New York Botanical Garden, Institute of Ecosystem Studies, Mary Flagler Cary Arboretum, 1986)

Ilgenfritz Monroe Nursery. No. 99A-S - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1945)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1924)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1949)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1968)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1970)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1979)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1982)

Illinois birds, vireos - Graber, Jean W. (Jean Weber), 1924 -2015 (State of Illinois, Dept. of Energy and Natural Resources, Natural History Survey Division, 1985)

Illinois birds, Wood warblers - Graber, Jean W. (Jean Weber), 1924 -2015 (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1983)

The Illinois breeding bird atlas - U.S. Fish; Wildlife Service (Illinois Natural History Survey, 2004)

Illinois forest management : a quarterly newsletter for Illinois landowners - University of Illinois at Urbana-Champaign. Cooperative Extension Service. (Dept. of Forestry and the Cooperative Extension Service, University of Illinois at Urbana-Champaign, 1988)

Illinois' forest resource - Raile, Gerhard K. (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1988)

Illinois forest statistics, 1985 - North Central Forest Experiment Station (Saint Paul, Minn.) (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1987)

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)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1990)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1996)

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

Illinois trees: selection, planting, and care - Carter, J. Cedric (James Cedric), 1905 -1981 (1966)

Illustrated and descriptive catalogue of the finest kinds of deciduous and evergreen trees shrubs, roses, vines, herbaceous plants, fruit trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1917)

Illustrated and descriptive catalogue of the finest kinds of deciduous and evergreens : trees, shrubs, roses, vines, herbaceous plants, fruit trees, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1918)

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, 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, 1913)

Illustrated garden book and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.A. Soldan, 1912)

An illustrated guide to the flowering plants of the middle Atlantic and New England states (excepting the grasses and sedges) the descriptive text written in familiar language - Stevens, George T. (George Thomas), 1832 -1921 (Dodd, Mead and company, 1910)

Illustrated key to the longhorned woodboring beetles of the Eastern United States - Lingafelter, Steven W. (Coleopterists Society, 2007)

Illustrated key to the wild and commonly cultivated trees of the northeastern United States and adjacent Canada; based primarily upon leaf characters - Collins, J. Franklin (James Franklin), 1863 -1940 (Holt, 1912)

Illustrated key to the wild and commonly cultivated trees of the northeastern United States and adjacent Canada; based primarily upon leaf characters - Preston, Howard W. 1859 - (H. Holt and company, 1912)

Illustrated key to the wild and commonly cultivated trees of the northeastern United States and adjacent Canada based primarily upon leaf characters - Collins, J. Franklin (James Franklin), 1863 -1940 (McClelland and Goodchild, 1912)

Illustrated planting plans and descriptions - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William C. Moore & Co, 1928)

Illustrated price catalogue 1921 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1921)

Important forest trees of the eastern United States - United States. Forest Service. (U.S. Dept. of Agriculture, 1922)

The important timber trees of the United States, a manual of practical forestry, for the use fo foresters, students and laymen in forestry, lumbermen, farmers and other land-owners, and all who contemplate growing trees for economic purposes - Elliott, Simon Bolivar (H. Mifflin, 1912)

The important timber trees of the United States; a manual of practical forestry for the user of foresters, students and laymen in forestry, lumbermen, farmers and other land-owners, and all who contemplate growing trees for economic purposes - Elliott, Simon Bolivar (Houghton Mifflin Company, The Riverside Press Cambridge, 1912)

In celebration of Dr. John J. Engel : a tribute to 40 years in bryology - Field Museum of Natural History. (Field Museum of Natural History, 2008)

Index of organisms and non-parasitic diseases in Plant disease reporter, supplements LII-LVI, 1927 - Van Meter, Mary G. (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1927)

Index of organisms and non-parasitic diseases in Plant disease reporter, supplements LXVII-LXXIII, 1929 - Van Meter, Mary G. (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1929)

Index of organisms and non-parasitic diseases in Plant disease reporter, supplements LVIII-LXV, 1928 - Van Meter, Mary G. (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1928)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 75-77, 1930 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1930)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 105-110, 1938 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1939)

Index of organisms and non-parasitic diseases in the Plant disease reporter, supplements 121-128, 1940 - United States. Division of Mycology; Disease Survey. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1941)

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 forest statistics, 1986 - North Central Forest Experiment Station (Saint Paul, Minn.) (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1988)

Indiana's forest resources and industries - Hutchison, O. Keith (Oliver Keith), 1917 - (U.S. Government Printing Office, 1956)

Indiana's timber industry–an assessment of timber product output and use, 1995 - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, North Central Research Station, 1998)

Indiana's timber resource, 1986 : an analysis - Spencer, John S. (North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1990)

Indiana University studies - Indiana University (The University, 1921)

Influence of certain soil factors on the growth of tree seedlings and wheat - Moore, Barrington. (1922)

Inpaws journal - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2006)

Inpaws journal - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2017)

Inpaws journal - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2018)

INPS journal - Indiana Native Plant Society. (Indiana Native Plant Society, 2018)

INPS journal - Indiana Native Plant Society. (Indiana Native Plant Society, 2019)

INPS journal - Indiana Native Plant Society. (Indiana Native Plant Society, 2022)

INPS journal - Indiana Native Plant Society. (Indiana Native Plant Society, 2023)

Insect and disease report - Montana. Forestry Division. (Montana Dept. of Natural Resources and Conservation, Division of Forestry, 1976)

Insect galls of Springfield, Massachusetts, and vicinity - Stebbins, Fannie Adelle. (Springfield Museum of Natural History, 1909)

Insect notes for 1911 - Johannsen, O. A. (Oskar Augustus), 1870 -1961 (Maine Agricultural Experiment Station, 1911)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1939)

Insects galls of Springfield, Massachusetts, and vicinity - Stebbins, Fannie Adelle. (The Museum, 1909)

Insects of Eastern forests - United States. Department of Agriculture. (U.S. Forest Service ; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1985)

Interim forest tree improvement guides for the Central States - Limstrom, G. A. (Gustaf Adolph), 1905 - (Central States Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1965)

Interior Columbia Basin ecosystem management project : analysis of vascular plants - Shelly, J. Stephen (U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station], 1997)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1919)

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

International review of the science and practice of agriculture - International Institute of Agriculture. Bureau of Agricultural Intelligence; Plant Diseases. (International Institute of Agriculture, Bureau of Agricultural Intelligence and Plant Diseases, 1916)

Introduction to botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1914)

Introduction to botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn and company, 1914)

Introduction to plant geography and some related sciences - Polunin, Nicholas (McGraw-Hill, 1960)

An introduction to the natural system of botany: or, A systematic view of the organization, natural affinities, and geographical distribution of the whole vegetable kingdom; together with the uses of the most important species in medicine, the arts, and rural or domestic economy - Lindley, John, 1799 -1865 (G. & C. & H. Carvill, 1831)

Inventory of native American plants for sale : very special offerings for fall of 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1931)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1964)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1979)

Iowa Erysiphaceae - Anderson, Jacob Peter, 1874 -1953 (1907)

Iowa forest resources, 1974 - Spencer, John S. (North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1980)

Iowa forest statistics - Central States Forest Experiment Station (Columbus, Ohio) (U. S. Dept. of Agriculture, Forest Service, Central States Forest Experiment Station, 1956)

Iowa parks. Conservation of Iowa historic, scenic and scientific areas. Also, a description of numerous areas suitable for public state parks, with reasons for their preservation. Report of the State board of conservation - Pammel, L. H. (Louis Hermann), 1862 -1931 (1920)

Irish gardening (Pub. Office, 1906)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1834)

Jahres-Bericht der Schlesischen Gesellschaft für Vaterländische Cultur - Herrick, Francis Hobart, 1858 -1940 (G.P. Aderholz, 1909)

Jahresbericht der Königl. Schwedischen Akademie der Wissenschaften über die Fortschritte der Botanik ... - Kungl. Svenska vetenskapsakademien. (Konigl. Schwedischen Akademie der Wissenschaften, 1828)

January 1940 price list to the wholesale trade - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co, 1940)

January bulletin of forestry and lining out stock : spring 1927 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1927)

January bulletin of forestry and lining out stock : spring 1928 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1928)

Japan's living gift to Washington - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rock Creek Nurseries, 1929)

Jeffersoniana : contributions from the Virginia Museum of Natural History - Virginia Museum of Natural History. (Virginia Museum of Natural History, 2011)

Job completion report : surveys and investigations projects as required by Federal Aid in Wildlife Restoration Act. Illinois - U.S. Coast; Geodetic Survey (Illinois Dept. of Conservation, 1991)

Journal / Edinburgh Natural History Society - Edinburgh Natural History Society, (Edinburgh Natural History Society, 2011)

Journal of agricultural research - Association of American Agricultural Colleges; Experiment Stations. (U.S. Govt. Printing Office, 1914)

Journal of agricultural research - Association of American Agricultural Colleges; Experiment Stations. (U.S. Govt. Printing Office, 1915)

Journal of agricultural research - Association of American Agricultural Colleges; Experiment Stations. (U.S. Govt. Printing Office, 1921)

Journal of agricultural research - Association of American Agricultural Colleges; Experiment Stations. (U.S. Govt. Printing Office, 1924)

The Journal of arachnology - American Arachnological Society (American Arachnological Society, 1982)