Forest lepidoptera of Canada - Canada. Dept. Of Forestry. Forest Entomology; Pathology Branch (Queen's Printer, 1958)

Forest pest conditions in the northeast - United States. Forest Service. Division of State; Private Forestry. Northeastern Area. (Pa., U.S. Dept. of Agriculture, Forest Service, Northeastern Area, State and Private Forestry, 1975)

Forest pest conditions in the northeast - United States. Forest Service. Division of State; Private Forestry. Northeastern Area. (Pa., U.S. Dept. of Agriculture, Forest Service, Northeastern Area, State and Private Forestry, 1976)

Forest pest conditions report for the Northeastern area, 1985 - Rush, Peter A. (U.S. Dept. of Agriculture, Forest Service, Northeastern Area S&PF, 1986)

Forest pest management in the People's Republic of China - McFadden, M. W. (Max W.), 1936 - (United States Dept. of Agriculture, Office of International Cooperation and Development, 1982)

Forest protection; guide to lectures delivered at the Biltmore Forest School - Schenck, Carl Alwin, 1868 -1955 (The Inland Press, 1909)

Forest protection; guide to lectures delivered at the Biltmore forest school - Schenck, Carl Alwin, 1868 -1955 (The Inland press, 1909)

Forest protection; guide to lectures delivered at the Biltmore Forest School - Schenck, Carl Alwin, 1868 -1955 (Inland Press, 1909)

Forestry note - University of Illinois at Urbana-Champaign. Dept. of Forestry. (University of Illinois, Department of Forestry, 1948)

Forestry quarterly - New York State College of Forestry. (1905)

Fourth annual report of the State entomologist of Indiana - Douglass, Benjamin W. (W.B. Burford, 1912)

Fruit and ornamental trees, shrubs, roses, etc. : southern trees for southern planters - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.K. Clingman, 1907)

Garden and forest; a journal of horticulture, landscape art and forestry - Sargent, Charles Sprague, 1841 -1927 (The Garden and forest publishing co, 1891)

Gardening (the Gardening Co, 1896)

General index and supplement to the nine reports on the insects of Missouri - United States Entomological Commission. (Govt. Print. Off, 1881)

General index to reports of the State Entomologist of Connecticut, 1901-1925 - Britton, Wilton Everett, 1868 -1939 (Connecticut Agricultural Experiment Station, 1926)

General index to the reports and bulletins of the experimental farms of the Dominion of Canada, 1887-1901 - Dominion Experimental Farms; Stations (Canada) (Printed by S.E. Dawson, printer to the King's Most excellent Majesty, 1902)

The genus Calosoma : including studies of seasonal histories, habits, and economic importance of American species north of Mexico and of several introduced species - Burgess, A. F. (Albert Franklin), 1873 -1953 (U.S. Dept. of Agriculture, 1917)

Gipsy moth tree-banding material : how to make, use, and apply it - Collins, C. W. (Charles Walter), 1882 -1948 (U.S. Dept. of Agriculture, 1920)

Global Biodiversity: status of the Earth's living resources (1992)

The green-striped maple worm. (Anisota rubicunda Fab.) - Howard, L. O. (Leland Ossian), 1857 -1950 (U.S. Dept. of Agriculture, Bureau of Entomology, 1909)

Die Grossschmetterlinge der Erde : eine systematische Bearbeitung der bis jetzt bekannten Grossschmetterlinge - Seitz, Adalbert, 1860 -1938 (Verlag des Seitzschen Werkes (Alfred Kernen), 1935)

The Guide to nature - Agassiz Association. (Agassiz Association, 1917)

Guide to the insects of Connecticut - Johannsen, O. A. (Oskar Augustus), 1870 -1961 (Geological and Natural History Survey, 1916)

Guide to the insects of Connecticut - Wheeler, William Morton, 1865 -1937 (Printed for The State Geological and Natural History Survey, 1916)

Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's book agency; [etc.,etc.], 1869)

Guide to the study of insects and a treatise on those injurious and beneficial to crops : for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt, 1878)

Guide to the study of insects : and a treatise on those injurious and beneficial to crops for the colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Henry Holt, 1889)

Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's Agency; [etc., etc.], 1874)

Guide to the study of insects and a treatise on those injurious and beneficial to crops for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Holt, 1880)

Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1883)

Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1889)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1968)

The gypsy moth. Porthetria dispar (Linn.). A report of the work of destroying the insect in the commonwealth of Massachusetts, together with an account of its history and habits both in Massachusetts and Europe - Fernald, C. H. (Charles Henry), 1838 -1921 (Wright & Potter Printing Co, 1896)

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

Handbook on insect enemies of flowers and shrubs - Baumhofer, Lynn Garfield, 1895 -1942 (U.S. Dept. of Agriculture, 1948)

Handbuch der chemischen Mittel gegen Pflanzenkrankheiten : Herstellung und Anwendung im Grossen - Hollrung, M. (Max), 1858 -1937 (P. Parey, 1898)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1913)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1925)

Handbuch der Pflanzenkrankheiten - Sorauer, Paul, 1839 -1916 (P. Parey, 1921)

Handbuch der Pflanzenkrankheiten - Lindau, Gustav, 1866 -1923 (P. Parey, 1908)

The history of the use of derris as an insecticide Part II The period 1919-1928 - United States. Office of Experiment Stations. ([U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, Division of Insecticide Investigations], 1939)

The hop; its culture and cure, marketing and manufacture; a practical handbook on the most approved methods in growing, harvesting, curing, and selling hops, and on the use and manufacture of hops - Myrick, Herbert, 1860 - (Orange Judd company, 1899)

The hop; its culture and cure, marketing and manufacture; a practical handbook on the most approved methods in growing, harvesting, curing and selling hops, and on the use and manufacture of hops - Myrick, Herbert, 1860 - (Orange Judd, 1909)

The horticulturist's rule-book - Bailey, L. H. (Liberty Hyde), 1858 -1954 (1908)

The horticulturist's rule-book; a compendium of useful information for fruit growers, truck gardeners, florists, and others - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1897)

The horticulturist's rule-book; a compendium of useful information for fruit growers, truck gardeners, florists, and others - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company; [etc.,etc.,], 1899)

Host relations of compsilura concinnata meigen : an important tachinid parasite of the gipsy moth and the brown-tail moth - Schaffner, J. V. (John Valentine), 1888 - (U.S. Dept. of Agriculture, 1926)

How to know the immature insects; an illustrated key for identifying the orders and families of many of the immature insects with suggestions for collecting, rearing and studying them - Zhu, Hongfu, 1913 - (W. C. Brown Co, 1949)

The Humming bird - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1891)

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)

Identification of hardwood insects by type of tree injury, north-central region - MacAloney, Harvey John, 1896 - (Lake States Forest Experiment Station, 1964)

The identification of primary red pine cone insects - Hard, John S. (Lake States Forest Experiment Station, Forest Service, U.S. Department of Agriculture, 1964)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1915)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1944)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1970)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1962)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1965)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1968)

Illinois trees and shrubs: their insect enemies - English, L. L. (Lester Lamar), 1899 - (Illinois Natural History Survey, 1976)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1958)

Illustrations of the zygaenidae & bombycidae of North America - Stretch, Richard Harper (Edward Basqui & Co, 1872)

Illustrations of the Zygænidæ & Bombycidæ of North America - Stretch, Richard Harper (1872)

Impressions of applied insect pathology in the U.S.S.R - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service], 1975)

An index to circulars 1 to 100 of the Bureau of Entomology - United States. Bureau of Entomology. (U.S. Dept. of Agriculture, Bureau of Entomology, 1911)

Index to information on insects associated with western wildland shrubs - Nelson, David L. (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1988)

Index to publications of the New York State Natural History Survey and New York State Museum 1837-1902, also including other New York publications on related subjects - New York State Museum. (University of the State of New York, 1903)

Index to the literature of American economic entomology - American Association of Economic Entomologists (American Association of Economic Entomologists [etc.], 1905)

Index to the literature of American economic entomology - American Association of Economic Entomologists (American Association of Economic Entomologists [etc.], 1915)

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

Injurious insects and the use of insecticides : a new descriptive manual on noxious insects, with methods for their repression - Sempers, Frank W. (W. Atlee Burpee & Co, 1894)

Injurious insects and the use of insecticides a new descriptive manual on noxious insects, with methods for their repression - Sempers, Frank W. (W. Atlee Burpee & Co, 1894)

Injurious insects and useful birds, successful control of farm pests - Washburn, F. L. (Frederic Leonard), 1860 -1927 (J. B. Lippincott, 1918)

Injurious insects and useful birds, successful control of farm pests - Washburn, F. L. (Frederic Leonard), 1860 -1927 (J.B Lippincott company, 1918)

Injurious insects : how to recognize and control them - O'Kane, Walter Collins, 1877 - (Macmillan, 1912)

Injurious insects; how to recognize and control them - O'Kane, Walter Collins, 1877 - (The Macmillan company, 1912)

Insect control in shelterbelts on the Great Plains - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1936)

Insect enemies of eastern forests - Craighead, Frank C. (Frank Cooper), 1890 -1982 (U.S. Dept. of Agriculture, 1950)

Insect enemies of western forests - Keen, F. P. (Frederick Paul), 1890 - (U.S. Dept. of Agriculture, 1952)

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