Forest Lepidoptera of southern Ontario and their parasites, received and reared at the Ottawa Forest Insect Survey Laboratory from 1937 to 1948 - Canada. Department of Agriculture. Forest Biology Division. (1952)

Forest Service research accomplishments - United States. Forest Service. (1975)

Die Forstinsekten Mitteleuropas; ein Lehr- und Handbuch - Judeich, Johann Friedrich, 1828 -1894 (P. Parey, 1914)

Die forstinsekten Mitteleuropas. Ein lehr- und handbuch - Nitsche, Hinrich, 1845 -1902 (P. Parey, 1914)

Die forstinsekten Mitteleuropas. Ein lehr- und handbuch - Nitsche, Hinrich, 1845 -1902 (P. Parey, 1931)

Die fossilen insekten und die phylogenie der rezenten formen; ein handbuch für paläontologen und zoologen - Handlirsch, Anton, 1865 -1935 (W. Engelmann, 1908)

Four new species of Megathymus (Lepidoptera, Rhopalocera, Megathymidae) - Freeman, Hugh Avery (American Museum of Natural History, 1955)

Fundamentals of paleontology - Davis, Donald R. (Smithsonian Institution Libraries and National Science Foundation, 1991)

Gayana. Zoología - Universidad de Concepción. Instituto Central de Biología. (Universidad de Concepción, Instituto de Biología, 1970)

Gayana. Zoología - Universidad de Concepción. Instituto Central de Biología. (Universidad de Concepción, Instituto de Biología, 1985)

Gayana. Botánica - Universidad de Concepción. Instituto Central de Biología. (Instituto Central de Biología, Universidad de Concepción, 1993)

Geelong Naturalist : monthly magazine of the Geelong Field Naturalists Club - Geelong Field Naturalists Club (The Club, 1996)

Geelong Naturalist : monthly magazine of the Geelong Field Naturalists Club - Geelong Field Naturalists Club (The Club, 2017)

Genera orchidacearum - Pridgeon, Alec M. (Oxford University Press, 1900)

General catalogue of the Hemiptera - Parshley, H. M. (Howard Madison), 1884 -1953 (Smith College, 1929)

General index report of the Canadian Arctic Expedition [v. 3] (King's Printer?, 1920)

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)

Geometroid caterpillars of northeastern and Appalachian forests - Wagner, David L., 1956 - (U.S. Dept. of Agriculture, Forest Service, 2001)

Geschlecht und Geschlechter im Tierreiche - Meisenheimer, Johannes, 1873 -1933 (G. Fischer, 1921)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 2016)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 2021)

Glasnik Hrvatskoga prirodoslovnoga društva - Hrvatsko prirodoslovno društvo. (Vlastnitvo i naklada drutva, 1908, 1918)

Grasshoppers of British Columbia / by R. C. Treherne and E. R. Buckell - Canada. Department of Agriculture. (Department of Agriculture, 1924)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1945)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1980)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1986)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1987)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1994)

Great Basin naturalist memoirs - Brigham Young University. (Brigham Young University, 1987)

The Great Basin tent caterpillar in New Mexico: life history, parasites, disease, and defoliation - Stelzer, Milton J. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968)

Grønlands landarthropoder (Insecta et Arachnida Groenlandicæ) - Henriksen, Kai Ludvig, 1888 - (Bianco Lunos bogtrykkeri, 1917)

Die Grossschmetterlinge der Erde : eine systematische Bearbeitung der bis jetzt bekannten Grossschmetterlinge - Seitz, Adalbert, 1860 -1938 (Verlag des Seitzschen Werkes (Alfred Kernen), 1933)

Ground beetles (Carabidae) of Fennoscandia : a zoogeographic study - Lindroth, Carl Hildebrand 1905 -1979 (Smithsonian Institution Libraries and National Science Foundation, 1992)

Guide to California insects - Woodworth, C. W. (Charles William), 1865 -1940 (The Law press, 1913)

Guide to the insects of Connecticut - Wheeler, William Morton, 1865 -1937 (Printed for The State Geological and Natural History Survey, 1942)

A guide to the natural history of the Isle of Wight : a series of contributions by specialists relating to the various branches of natural history and kindred subjects - Morey, Frank, 1858 -1925 (The County Press, 1909)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1962)

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

The gypsy moth in Connecticut - Anderson, John F. (John Frederic), 1936 - (Connecticut Agricultural Experiment Station, 1981)

Gypsy moth management in the United States : a cooperative approach : final environmental impact statement - United States. Animal; Plant Health Inspection Service. (U.S. Dept. of Agriculture, Forest Service, Northeastern Area State and Private Forestry, 1995)

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)

Gypsy moth suppression and eradication projects : final environmental impact statement - United States. Animal; Plant Health Inspection Service. (U.S. Dept. of Agriculture, Forest Service, 1984)

Halteres - ANeT-India. (Organisation for Conservation and Study of Biodiversity in collaboration with ANeT-India, 2015)

Handbook of flower pollination : based upon Hermann Müller's work ʻThe fertilisation of flowers by insectsʼ - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1906)

The handbook of horticulture and viticulture of Western Australia - Western Australia. Department of Agriculture (F. W. Simpson, government printer, 1921)

Handbook to the natural history of Cambridgeshire - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (University press, 1904)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Naturgeschichte. Zum Gebrauch bei vorlesungen - Burmeister, Hermann, 1807 -1892 (Verlag von Theod. Chr. Friedr. Enslin, 1837)

Handbuch der palaeontologie - Schimper, Wilhelm-Philippe, 1808 -1880 (R. Oldenbourg, 1881)

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

Handbuch der vergleichenden Physiologie - Winterstein, Hans, 1879 - (Fischer, 1921)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Handwörterbuch der Zoologie - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (F. Enke, 1887)

The handy bug answer book - Waldbauer, Gilbert (Visible Ink Press, 1998)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1887)

Harriman Alaska series. vol. I-V, VIII-XIV - Smithsonian Institution (Smithsonian Institution, 1904)

Harvard botanical memoirs - Harvard University. (Harvard University], 1888)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1906)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1909)

The head-capsule and mouth-parts of Diptera - Peterson, Alvah, 1888 - (1916)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1926)

Heliothis/Helicoverpa : 1993 supplement to the five-year National Research Action Plan for Development of Suppression Technologies : first annual review held in Junction, Texas, November 8-11, 1993 (U.S. Dept. of Agriculture, Agricultural Research Service, 1994)

Heliothis/Helicoverpa : 1997 supplement to the five-year national research plan for the development of suppression technologies, including a new virtual laboratory research plan : second review, College Station, Texas, October 7-8, 1997 - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1998)

High arctic insect-flower relations : the inter-relationships of arthropods and flowers at Lake Hazen, Ellesmere Island, N.W.T., Canada - Kevan, Peter G., 1944 - (University of Alberta, Dept. of Entomology, 1970)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1996)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1997)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1999)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 2000)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 2002)

The history of Glanville's Wootton, in the County of dorset, including its zoology and botany - Dale, Charles William, 1851 -1906 (Hatchards, 1878)

A history of Hampshire and the Isle of Wight - Doubleday, Herbert Arthur, 1867 -1941 ([Constable], 1900)

The history of our British butterflies containing - a full bibliographical note of each species, with copious extracts from the old authors; and full descriptions of all the British species, their eggs, caterpillars, chrysalides and varieties, with a notice of their habits, localities, frequency, &c., &c - Dale, Charles William, 1851 -1906 (J. Kempster, 1890)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1897)