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

Gulf and Caribbean research - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory and the University of Southern Mississippi Libraries, 2005)

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

Handbook of instructions for collectors - British Museum (Natural History) (Printed by order of the Trustees [by Hazell, Watson and Viney, ld.], 1904)

Handbook of instructions for collectors - British Museum (Natural History) (Printed by order of the Trustees [by Hazell, Watson and Viney, ld.], 1902)

Handbook of instructions for collectors - British Museum (Natural History) (Printed by order of the Trustees [by Hazell, Watson and Viney, ld.], 1906)

A handbook of the gnats or mosquitoes giving the anatomy and life history of the culicidæ - Giles, George Michael James, 1853 -1916 (John Bale, Sons & Danielsson, Ltd. 83, 85, 87 & 89, Great Titchfield Street, Oxford Street, W, 1900)

A handbook of the gnats or mosquitoes; giving the anatomy and life history of the Culicidæ together with descriptions of all species noticed up to the present date - Giles, George Michael James, 1853 -1916 (J. Bale, sons & Danielsson, ltd, 1902)

Handbook of zoology - Hoeven, Jan van der, 1801 -1868 (University Press, 1856)

Handbook of zoology - Clark, William, 1788 -1855 (Longman, Brown, Green, Longmans, and Roberts, 1856)

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

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

Handbuch der Forstwissenschaft. In Verbindung mit A. Bühler [et al.] Hrsg. von Tuisko Lorey - Lorey, Tuisko von, 1845 -1901 (H. Laupp, 1888)

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

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

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1932)

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

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

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

Handbuch der zoologie : Nach der zweiten holländischen ausgabe - Hoeven, Jan van der, 1801 -1868 (L. Voss, 1850)

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)

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)

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, 1891)

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

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1916)

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

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)

Histoire naturelle des animaux articulés, annelides, crustacés, arachnides, myriapodes et insectes - Castelnau, Francis, comte de, 1812 -1880 (M. Duménil, 1840)

Histoire naturelle des insectes Diptères - Macquart, J., (Justin), 1778 -1855 (Librairie Encyclopédique de Roret, 1834)

Histoire naturelle des insectes : Orthoptères, Névroptères, Hémiptères, Hyménoptères, Lépidoptères et Diptères - Blanchard, Emile, 1819 -1900 (P. Duménil, 1840)

Histoire naturelle des insectes - Castelnau, Francis, comte de, 1812 -1880 (P. Duménil, 1840)

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, 2002)

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, 1899)

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 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)

Hymenoptera ... - Morley, Claude 1874 -1951 (Taylor and Francis; [etc., etc.], 1913)

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, 1988)

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)

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, 1916)

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

An illustrated catalogue of the Rothschild collection of Nycteribiidae (Diptera) in the British Museum (Natural History) - Rothschild, Miriam (British Museum (Natural History), 1967)

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

Illustriertes Forst- und Jagd- Lexikon. Unter Mitwirkung von Dr. Bühler [et al.] - Fürst, Hermann Heinrich von, 1837 - (P. Parey, 1904)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)