Handbook of medical entomology - Johannsen, O. A. (Oskar Augustus), 1870 -1961 (Comstock Pub. Co, 1915)

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 entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1913)

Handbuch der entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1914)

Handbuch der entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1920)

Handbuch der entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1921)

Handbuch der Forstwissenschaft - Lorey, Tuisko von, 1845 -1901 (H. Laupp, 1912)

Handbuch der Morphologie der wirbellosen Tiere - Lang, Arnold, 1855 -1914 (G. Fischer, 1913)

Handbuch der paläarktischen Gross-Schmetterlinge für Forscher und Sammler - Standfuss, Maximilian Rudolph, 1854 - (G. Fischer, 1896)

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

Handbuch der Tropenkrankheiten - Mense, Carl Anton, 1861 -1938 (J. A. Barth, 1913)

Handbuch der vergleichenden Physiologie - Winterstein, Hans, 1879 - (Fischer, 1910)

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)

Harmsworth's Universal encyclopedia - Hammerton, John Alexander, Sir, 1871 -1949 (Educational Bk. Co, 1900)

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

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

The hebes group of the Dipterous genus Tipula linnaeus - Dietz, William George, 1848 -1932 (American Entomological Society, 1914)

hei long jiang liu yu zong he kao cha xue shu bao gao - Zhongguo ke xue yuan. Heilongjiang liu yu zong he kao cha dui (ke xue chu ban she, 1960)

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

The herpetology of Michigan - Smith, Harlan Ingersoll, 1872 -1940 (Wynkoop Hallenbeck Crawford, State Printers, 1912)

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)

História natural de orgamismos aquáticos do Brasil bibliografia comentada - Vanzolini, P. E. (Paulo Emilio) (Fapesp, 1964)

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

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

A history of luminescence from the earliest times until 1900 - Harvey, E. Newton (Edmund Newton), 1887 -1959 (American Philosophical Society, 1957)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1913)

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

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1867)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1910)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1914)

How time flies for flies : diverse Diptera from the Triassic of Virginia and early radiation of the order - Grimaldi, David A. (American Museum of Natural History, 2007)

How to collect and preserve insects - Ross, Herbert H. (Herbert Holdsworth), 1908 -1978 (1962)

How to collect mosquitoes (Culicidae) - British Museum (Natural History) (British Museum (Natural History), [printed by Darling for H.M.S.O.], 1899)

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)

How to know the insects; an illustrated key to the more common families of insects, with suggestions for collecting, mounting and studying them - Jaques, H. E. (Harry Edwin), 1880 - (The author, 1941)

huan jing bao hu sheng wu xue - Zhang, Zhijie (ye jin gong ye chu ban she, 1982)

Hungry Horse Dam fisheries mitigation : Fish passage and habitat improvement in the upper Flathead River basin - Knotek, Ladd (Bonneville Power Administration, 1997)

Hydrologic and climatologic data, southeastern Uinta basin, Utah and Colorado : water year 1978 - United States. Environmental Protection Agency. (U.S. Dept. of the Interior, Geological Survey, 1980)

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, second supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1967)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1978)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1967)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1990)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1995)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1999)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 2000)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1916)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1917)

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, 1926)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1938)

Illinois birds: Hirundinidae - Graber, Jean W. (Jean Weber), 1924 -2015 (Illinois Natural History Survey, 1972)

Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 2002)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1962)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1973)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1978)

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

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

Illustrations of African blood-sucking flies other than mosquitoes and tsetse-flies - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1909)

Illustrations of African blood-sucking flies other than mosquitoes and tsetse-flies - Austen, E. E. (Ernest Edward), 1867 -1938 (Longmans, 1909)

Illustrierte Wochenschrift für Entomologie - Berliner Entomologische Gesellschaft. (J. Neumann, 1897)

Illustrierte Zeitschrift für Entomologie - Allgemeine Entomologische Gesellschaft. (J. Neumann, 1899)

Illustrirtes Thierleben - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliogr. Instituts, 1869)

Impact of bleached kraft mill effluent (BKME) on fish populations near Terrace Bay, Ontario - McMaster, M. E. (Environment Ontario, 1991)

The impact of Hungry Horse Dam on the aquatic invertebrates of the Flathead River - United States. Bureau of Reclamation. (The Dept, 1981)

Impacts of Hungry Horse Dam on the invertebrates in the Flathead River : final report - United States. Bureau of Reclamation. (The Bureau, 1982)

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 the known fossil insects of the world : including myriopods and arachnids - Geological Survey (U.S.) (Department of the Interior, Geological Survey, 1891)