General biology; a book of outlines and practical studies for the general student - Needham, James G. (James George), 1868 -1957 (The Comstock publishing co, 1910)

General biology, a book of outlines and practical studies for the general student - Needham, James G. (James George), 1868 -1957 (Comstock, 1914)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1949)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1950)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1951)

Geschichte der biologischen Theorien in der Neuzeit - Rádl, Emanuel, 1873 -1942 (Verlag von W. Engelmann, 1909)

Geschichte der biologischen Theorien seit dem Ende des siebzehnten Jahrhunderts - Rádl, Emanuel, 1873 -1942 (W. Engelmann, 1905)

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

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 1997)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 1998)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 1999)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 2000)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 2001)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 2004)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 2006)

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

Glasnik Hrvatskoga naravoslovnoga društva - Hrvatsko prirodoslovno društvo. (Vlastnitvo i naklada drutva, 1886-1907, 1890)

Glasnik Hrvatskoga naravoslovnoga društva - Hrvatsko prirodoslovno društvo. (Vlastnitvo i naklada drutva, 1886-1907, 1902)

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

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1981)

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

The grouse and wild turkeys of the United States, and their economic value - Judd, Sylvester D., 1871 -1905 (Dept. of Agriculture, Biological Survey, 1905)

Grundzüge der Zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert'sche, 1876)

Grundzüge der Zoologie zum Gebrauche an Universitäten und höhern Lehranstalten : Leitfaden zur Einführung in das wissenschaftliche Studium der Zoologie - Claus, Carl, 1835 -1899 (N.G. Elwert'sche Universitäts- Buchhandlung, 1868)

Grundzüge der Zoologie. Zum Gebrauche an Universitäten und hoheren Lehranstalten sowie qum Selbststudium - Claus, Carl, 1835 -1899 (W.G Elevert'sche Verl, 1876)

Grundzüge der Zoologie. Zum gebrauche an universitäten und höheren lehranstalten sowie zum selbststudium - Claus, Carl, 1835 -1899 (N.G. Elwert, 1872)

Grundzüge der Zoologie. Zum wissenschaftlichen Gebrauche - Claus, Carl, 1835 -1899 (Elwert, 1880)

Guide to the insects of Connecticut - Johannsen, O. A. (Oskar Augustus), 1870 -1961 (Geological and Natural History Survey, 1916)

Guide to the invertebrates of the synoptic collection in the Museum of the Boston society of natural history - Sheldon, J. M. Arms (Jennie Maria Arms), 1852 -1938 (The Society, 1905)

Guide to the invertebrates of the synoptic collection in the Museum of the Boston society of natural history - Boston Society of Natural History. Museum. (The Society, 1905)

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)

Guide to the study of insects - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and company, 1889)

Guide to the study of insects and a treatise on those injurious and beneficial to crops : for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt, 1878)

Guide to the study of insects : and a treatise on those injurious and beneficial to crops for the colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Henry Holt, 1889)

Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's agency, 1868)

Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's Agency; [etc., etc.], 1874)

Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1889)

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)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1908)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1909)

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

Handbuch der Botanik - Schenk, A. (August), 1815 -1891 (E. Trewendt, 1879)

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

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

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

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

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

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 Zoologie - Peters, Wilhelm C. H. (Wilhelm C. Hartwig), 1815 -1883 (W. Engelmann, 1875)

Handbuch der zoologie - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1863)

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)

Harmful non-indigenous species in the U.S. : hearings before the Committee on Governmental Affairs, United States Senate, One Hundred Third Congress, second session, March 11 and 15, 1994 - United States. Congress. Senate. Committee on Governmental Affairs. (U.S. G.P.O, 1994)

Hedwigia (Verlag und Druck von C. Heinrich, 1909)

Hedwigia (Verlag und Druck von C. Heinrich, 1910)

Hedwigia (Verlag und Druck von C. Heinrich, 1917)

Historia animalium - Universidad de Barcelona. Secció de Zoologia. (Departament de Biologia Animal (Secció de Zoologia), Facultat de Biologia, Universitat de Barcelona, 1992)

Historia animalium - Universidad de Barcelona. Secció de Zoologia. (Departament de Biologia Animal (Secció de Zoologia), Facultat de Biologia, Universitat de Barcelona, 1993)

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

Homes without hands. Being a description of the habitations of animals, classed according to their principle of construction - Wood, J. G. (John George), 1827 -1889 (Longmans, Green, 1865)

Homes without hands. Being a description of the habitations of animals, classed according to their principle of construction - Wood, J. G. (John George), 1827 -1889 (Harper & Brothers, 1866)

The hop; its culture and cure, marketing and manufacture; a practical handbook on the most approved methods in growing, harvesting, curing and selling hops, and on the use and manufacture of hops - Myrick, Herbert, 1860 - (Orange Judd, 1909)

The hop; its culture and cure, marketing and manufacture; a practical handbook on the most approved methods in growing, harvesting, curing, and selling hops, and on the use and manufacture of hops - Myrick, Herbert, 1860 - (Orange Judd company, 1899)

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, 1901)

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

The house fly, disease carrier : an account of its dangerous activities and of the means of destroying it - Howard, L. O. (Leland Ossian), 1857 -1950 (A. Stokes, 1911)

The house fly, disease carrier; an account of its dangerous activities and of the means of destroying it - Howard, L. O. (Leland Ossian), 1857 -1950 (Frederick A. Stokes Company, 1911)

The house-fly, Musca domestica Linn. : its structure, habits, development, relation to disease and control - Hewitt, C. Gordon (Charles Gordon), 1885 -1920 (University Press, 1914)

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)

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, 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)

Die Hymenopteren Deutschlands nach ihren Gattungen und theilweise nach ihren Arten als Wegweiser : für angehende Hymenopterologen und gleichzeitig als Verzeichniss der Halle'schen Hymenopterenfauna - Taschenberg, Ernst Ludwig, 1818 -1898 (Eduard Kummer, 1866)

Die hymenopteren Mitteleuropas nach ihren gattungen und zum grossen teil auch nach ihren arten analytisch - Schmiedeknecht, Otto, 1847 -1936 (G. Fischer, 1907)

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

Ichneumonologia brittannica. The ichneumons of Great Britain; a descriptive account of the families, genera and species indigenous to the British islands, together with notes as to classifiation, localitites, habitats, host, etc - Morley, Claude 1874 -1951 (J.H. Keys, 1903)

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, 1959)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1965)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1970)

Illinois trees and shrubs: their insect enemies - English, L. L. (Lester Lamar), 1899 - (Illinois Natural History Survey, 1976)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1968)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1962)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1958)

An illustrated catalogue of American insect galls - Felt, Ephraim Porter, 1868 -1943 (1915)

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)

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