Grundzüge der Anatomie der wirbellosen Thiere - Huxley, Thomas Henry, 1825 -1895 (W. Engelmann, 1878)

Grundzüge der vergleichenden Anatomie - Gegenbaur, C. (Carl), 1826 -1903 (Wilhelm Engelmann, 1859)

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)

A guide for the study of animals - Lucas, Frederic Colby. (D.C. Heath & Co, 1911)

Guide leaflet - American Museum of Natural History (The Museum, 1934)

Guide leaflet - American Museum of Natural History (The Museum, 1937)

The Guide to nature - Agassiz Association. (Agassiz Association, 1914)

Guide to the coral gallery (Protozoa, Porifera or sponges, Hydrozoa, and Anthozoa), in the Department of Zoology, British Museum (Natural History) ... - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Printed by W. Clowes], 1902)

Guide to the coral gallery (Protozoa, Porifera or sponges, Hydrozoa, and Anthozoa) : in the Department of Zoology, British Museum (Natural History) ... - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Printed by order of the Trustees [by W. Clowes and sons, limited], 1907)

Half hours at the sea-side; or, Recreations with marine objects - Taylor, J. E. (John Ellor), 1837 -1895 (D. Bogue, 1880)

Half-hours in the green lanes : a book for a country stroll - Taylor, J. E. (John Ellor), 1837 -1895 (W. H. Allen & Company, 1898)

A hand-book to the primates - Forbes, Henry O. (Henry Ogg), 1851 -1932 (E. Lloyd, 1897)

Handboek der dierkunde - Leuckart, Rudolf, 1823 -1898 (J.C.A. Sulpke, 1859)

Handbook of protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C.C. Thomas, 1931)

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)

Handbook of zoology : with examples from Canadian species, recent and fossil - Dawson, J. W., (John William), 1820 -1899 (Dawson, 1880)

Handbook of zoology : with examples from Canadian species, recent and fossil. Part I, Invertebrata - Dawson, J. W., (John William), 1820 -1899 (Dawson Brothers, 1880)

Handbook of zoology with examples from Canadian species, recent and fossil - Dawson, J. W., (John William), 1820 -1899 (Dawson, 1886)

Handbook of zoology with examples from Canadian species, recent and fossil. part I -invertebrata - Dawson, J. W., (John William), 1820 -1899 (Dawson, 1870)

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

Handbuch der Morphologie der wirbellosen Tiere - Lang, Arnold, 1855 -1914 (G. Fischer, 1912)

Handbuch der Naturgeschichte - Blumenbach, Johann Friedrich, 1752 -1840 (Dieterich, 1830)

Handbuch der Naturgeschichte - Blumenbach, Johann Friedrich, 1752 -1840 (In der Dieterich'schen Buchhandlung, 1825)

Handbuch der Naturgeschichte - Blumenbach, Johann Friedrich, 1752 -1840 (In der Dieterichschen Buchhandlung, 1821)

Handbuch der Naturgeschichte der skelettlosen ungegliederten Thiere - Schweigger, August Friedrich, 1783 -1821 (Im Verlag der Dyk'schen Buchhandlung, 1820)

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

Handbuch der vergleichenden Anatomie. Leitfaden bei academischen Vorlesungen und für Studirende - Schmidt, Oscar, 1823 -1886 (F. Mauke, 1859)

Handbuch der vergleichenden Anatomie Leitfaden bei academischen Vorlesungen und für Studirende - Schmidt, Oscar, 1823 -1886 (Friedrich Mauke, 1849)

Handbuch der vergleichenden Embryologie - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Fischer, 1880)

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

Handbuch der vergleichenden Physiologie - Winterstein, Hans, 1879 - (Fischer, 1911)