Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1902)

General index and supplement to the nine reports on the insects of Missouri - United States Entomological Commission. (Govt. Print. Off, 1881)

Geological literature added to the Geological Society's Library - Geological Society of London. Library. (The Society, 1909)

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

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

Grønland-Expedition der Gesellschaft für Erdkunde zu Berlin, 1891-1893 - VanHöffen, Ernst, 1858 -1919 (W.H. Kühl, 1897)

Grønlands landarthropoder (Insecta et Arachnida Groenlandicæ) - Henriksen, Kai Ludvig, 1888 - (Bianco Lunos bogtrykkeri, 1917)

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)

Grundzüge der Zoologie. Zum wissenschaftlichen Gebrauche - Claus, Carl, 1835 -1899 (Elwert, 1882)

A guide to an arrangement of British insects : being a catalogue of all the named species hitherto discovered in Great Britain and Ireland - Curtis, John, 1791 -1862 (Printed for the author, published and sold by J. Pigot, 1837)

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)

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, 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 book agency; [etc.,etc.], 1869)

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; [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 (Holt, 1880)

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)

The gypsy moth. Porthetria dispar (Linn.). A report of the work of destroying the insect in the commonwealth of Massachusetts, together with an account of its history and habits both in Massachusetts and Europe - Fernald, C. H. (Charles Henry), 1838 -1921 (Wright & Potter Printing Co, 1896)

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

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

Handbuch der Petrefaktenkunde - Quenstedt, Fr. Aug. von (Friedrich August), 1809 -1889 (H. Laupp, 1885)

Handbuch der vergleichenden Physiologie - Winterstein, Hans, 1879 - (Fischer, 1921)

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

Handbuch der Zoologie - Wiegmann, Arend Friedrich August, 1802 -1841 (im Verlage bei C.G. Lüdertz, 1832)

Handbuch der Zoologie mit besonderer Berücksichtigung derjenigen Thiere, welch in Bezug auf Forst und Landwirthschaft, sowie hinsichtlich der Jagd vorzüglich wichtig sind ... Zweiter Theil Wirbellos Thiere ... - Döbner, Eduard Philipp, 1810 -1890 (Krebs, 1862)

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

Histoire des insectes, traitant de leurs moeurs et de leurs métamorphoses en général et comprenant une nouvelle classification fondée sur leurs rapports naturels - Blanchard, Emile, 1819 -1900 (Firmin Didot frères, 1845)

Histoire des insectes : traitant de leurs moeurs et de leurs métamorphoses en général et comprenant une nouvelle classification fondée sur leurs rapports naturels - Blanchard, Emile, 1819 -1900 (Librairie de F. Didot Frères, 1845)

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

Histoire naturelle des insectes, coléoptères - Castelnau, Francis, comte de, 1812 -1880 (Société Bibliophile, 1850)

Histoire naturelle des insectes. Genera des coléoptères, ou exposé méthodique et critique de tous les genres proposés jusqu'ici dans cet ordre d'insectes - Chapuis, F. (Félicien), 1824 -1879 (Librairie encyclopédique de Roret, 1854)

Histoire naturelle des insectes. Genera des coléoptères, ou exposé méthodique et critique de tous les genres proposés jusqu'ici dans cet ordre d'insectes - Chapuis, F. (Félicien), 1824 -1879 (Librairie encyclopédique de Roret, 1876)

Histoire naturelle des insectes. Hyménoptères - Lepeletier de Saint Fargeau, Amédée Louis Michel, comte, 1770 -1845 (Librairie Encyclopédique de Roret, 1846)

Histoire naturelle des insectes. Hyménoptères - Lepeletier de Saint Fargeau, Amédée Louis Michel, comte, 1770 -1845 (Librairie Encyclopédique de Roret, 1836)

Histoire naturelle des insectes, leurs moeurs, leurs métamorphoses et leur classification, ou Traité élémentaire d'entomologie - Blanchard, Emile, 1819 -1900 (F. Savy, 1874)

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

Histoire naturelle des insectes, traitant de leur organisation et de leurs moeurs en général - Audouin, Jean Victor, 1797 -1841 (F.D. Pillot, 1835)

Histoire physique, naturelle, et politique de Madagascar - Grandidier, Alfred, 1836 -1921 (Impr. nationale, 1887)

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

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)