General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1971)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1973)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1974)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1975)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1977)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1978)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1979)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1980)

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

General zoology - Villee, Claude A. (Claude Alvin), 1917 -2003 (Saunders, 1958)

General zoology - Guthrie, Mary Jane, 1895 - (Wiley, 1957)

Genetica (Springer Netherlands, 1921)

Genus-group names of bees and supplemental family-group names - Michener, Charles D. (Charles Duncan), 1918 -2015 (Natural History Museum, The Univeristy of Kansas, 1997)

The geological evidences of the antiquity of man : with remarks on theories of the origin of species by variation - Lyell, Charles, Sir, 1797 -1875 (J. Murray, 1863)

A giant honey bee from the middle Miocene of Japan (Hymenoptera, Apidae) - Engel, Michael S. (American Museum of Natural History, 2006)

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The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 2009)

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

Gleanings in bee culture (A. I. Root Co, 1903)

Gleanings in bee culture (A. I. Root Co, 1904)

Gleanings in bee culture (A. I. Root Co, 1905)

Gleanings in bee culture (A. I. Root Co, 1906)

Gleanings in bee culture (A. I. Root Co, 1908)

Global biodiversity - Canadian Museum of Nature (Canadian Museum of Nature, 1994)

Global biodiversity - Canadian Museum of Nature (Canadian Museum of Nature, 1997)

Global biodiversity - Canadian Museum of Nature (Canadian Museum of Nature, 1998)

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

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1981)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1983)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1985)

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)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1995)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1996)

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Greenhouse pests; a manual of practice in the control of insects and other pests attacking ornamental plants and flowers grown under glass in Illinois - Compton, Charles C. (1930)

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

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)

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The habits of the honeybee - Phillips, Everett Franklin, 1878 -1951 (A.I. Root, 1914)

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Halteres - ANeT-India. (Organisation for Conservation and Study of Biodiversity in collaboration with ANeT-India, 2010)

Halteres - ANeT-India. (Organisation for Conservation and Study of Biodiversity in collaboration with ANeT-India, 2011)

Halteres - ANeT-India. (Organisation for Conservation and Study of Biodiversity in collaboration with ANeT-India, 2013)

Hand-Buch oder kurze Anweisung wie man Naturalien-Sammlungen mit Nutzen betrachten soll - Rudolph, Daniel Gottlob, 1726 -1768 (Bey Joh. Gottlob Rothe, Buchhändler in Koppenhagen, 1766)

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

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A handbook on beekeeping in California - Eckert, John Edward, 1895 - (University of California. Division of Agricultural Sciences, Agricultural Experiment Station, Extension Service, 1960)

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Handbuch der Tropenkrankheiten - Mense, Carl Anton, 1861 -1938 (Johann Ambrosius Barth, 1905)

Handbuch der Tropenkrankheiten - Mense, Carl Anton, 1861 -1938 (J. A. Barth, 1914)

Handleiding tot de beoefening der dierkunde - Schlegel, H. (Hermann), 1804 -1884 (Boekdrukkerij van de Gebroeders Nys, voor rekening van de Koninklijke Akademie voor Zee- en Landmagt, 1858)

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)

De heide als handelsgewas en sierplant - Uikens, Th. F. (K. van Hulst, 1858)

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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)

Highways as potential barriers to movement and genetic exchange in small mammals - University of Montana–Missoula. Wildlife Biology Program. (Montana Dept. of Transportation, 2003)

Hippocrateaceae Labiatae - De Kok, R. P. J. (Rogier P. J.) (2004)

Histoire generale des insectes : ou l'on expose clairement la maniere lente & presqu' insensible de l'accroissement de leurs membres, & ou l'on decouvre evidemment l'erreur ou l'on tombe d'ordinaire au sujet de leur prétendué transformation - Swammerdam, Jan, 1637 -1680 (G. de Walcheren, 1737)

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Hymenoptera ... - Morley, Claude 1874 -1951 (Taylor and Francis; [etc., etc.], 1897)

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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)

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, 1996)

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, 1997)