Hedwigia (Verlag und Druck von C. Heinrich, 1912)

Hedwigia (Verlag und Druck von C. Heinrich, 1913)

Hedwigia (Verlag und Druck von C. Heinrich, 1914)

Hedwigia (Verlag und Druck von C. Heinrich, 1922)

The Hemiptera of Suffolk - Morley, Claude 1874 -1951 (J.H. Keys, 1905)

Hemipterologische Studien - Mayr, Gustav L. 1830 -1908 ([s.n.], 1864)

Heteroptera, or true bugs of eastern North America, with especial reference to the faunas of Indiana and Florida - Blatchley, W. S. (Willis Stanley), 1859 -1940 (The Nature publishing company, 1926)

Heterosis : a record of researches directed toward explaining and utilizing the vigor of hybrids - Iowa State College. (Iowa State College Press, 1952)

Historische Entwickelung der Lehre von der Parthenogenesis - Taschenberg, Otto, 1854 -1922 (M. Niemeyer, 1892)

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)

Homonymy, synonymy, and new combinations in the Miridae (Heteroptera) - Kerzhner, Izyaslav M., 1936 -2008 (American Museum of Natural History, 1995)

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, 1900)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1901)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1907)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1912)

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)

The Humming bird - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1893)

The Humming bird - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1894)

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)

I. Description of new buildings - Freer, Paul Caspar, 1862 -1912 (Bureau of Public Printing, 1905)

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, 1960)

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, 1938)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1950)

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)

Illustrated natural history - Wood, J. G. (John George), 1827 -1889 (Home Bk. Co, 1880)

Illustrierte Wochenschrift für Entomologie - Berliner Entomologische Gesellschaft. (J. Neumann, 1896)

Illustrierte Zeitschrift für Entomologie - Allgemeine Entomologische Gesellschaft. (J. Neumann, 1898)

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

Illustrierte Zeitschrift für Entomologie - Allgemeine Entomologische Gesellschaft. (J. Neumann, 1900)

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)

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)

India rubber world (Bill Brothers Publishing Corp, 1918)

Indian forest insects of economic importance. Coleoptera - Stebbing, Edward Percy, 1870 -1960 (Eyre & Spottiswoode, 1914)

Indian forest insects of economic importance. Coleoptera - Stebbing, Edward Percy, 1870 -1960 (Printed by Eyre & Spottiswoode, ltd, 1914)

The Indian forest records - Forest Research Institute (Dehra Dun, India) (Manager of Publications, 1908)

The Indian forest records - Forest Research Institute (Dehra Dun, India) (Manager of Publications, 1909)

The Indian forest records - Forest Research Institute (Dehra Dun, India) (Manager of Publications, 1921)

The Indian forest records - Forest Research Institute (Dehra Dun, India) (Manager of Publications, 1922)

Indian insect life : a manual of the insects of the plains (tropical India) - Maxwell-Lefroy, H. (Harold), 1877 -1925 (Thacker, Spink & Co., W. Thacker & Co., 2 Creed Lane, London, 1909)

Indian Museum notes - Indian Museum. ([Indian Museum], 1893)

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

Injurious insects of Indian forests - Stebbing, Edward Percy, 1870 -1960 (Office of Superintendent of Government Printing, India, 1899)

Injurious insects of the orchard, vineyard, field, garden, conservatory, household, storehouse, domestic animals, etc., with remedies for their extermination - Cooke, Matthew, active 1881 -1884 (H.S. Crocker & Co., printers, 1883)

The insect and other allied pests of orchard, bush and hothouse fruits and their prevention and treatment - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (Published by the author, 1909)

The insect book : a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies - Howard, L. O. (Leland Ossian), 1857 -1950 (Doubleday, Page, 1903)

The insect book : a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies - Howard, L. O. (Leland Ossian), 1857 -1950 (Doubleday, Doran & Co, 1916)

The insect book : a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies - Howard, L. O. (Leland Ossian), 1857 -1950 (Doubleday, 1902)

The insect book : a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies - Howard, L. O. (Leland Ossian), 1857 -1950 (Doubleday, Page & Company, 1905)

The insect book : a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies - Howard, L. O. (Leland Ossian), 1857 -1950 (Doubleday, Page, 1912)

The insect book; a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies - Howard, L. O. (Leland Ossian), 1857 -1950 (Doubleday, Doran & company, 1937)

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 Southern pines - Southern Forest Experiment Station (New Orleans, La.) (Southern Forest Experiment Station, Forest Service, U.S. Department of Agriculture, 1958)

Insect enemies of western forests - Keen, F. P. (Frederick Paul), 1890 - (U.S. Dept. of Agriculture, 1938)

Insect enemies of western forests - Keen, F. P. (Frederick Paul), 1890 - (U.S. Dept. of Agriculture, 1939)

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

The insect fauna of the genus Crataegus - Wellhouse, Walter Housley, 1890 - (1922)