Guide to the frogs of the Iquitos region, Amazonian Peru - Rodríguez, Lily O. (Asociaci©n de Ecolog©a y Conservaci©n, 1994)

Guide to the Galleries of Reptiles and Fishes - British Museum (Natural History). Department of Zoology. (BM(NH), 1887)

Guide to the Galleries of Reptiles and fishes - Flower, William Henry, 1831 -1899 (BM(NH), 1898)

Guide to the Galleries of Reptiles and fishes - British Museum (Natural History). Department of Zoology. (BM(NH), 1893)

Guide to the galleries of reptiles and fishes in the Department of Zoology of the British Museum (Natural History) - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1888)

A guide to the quadrupeds and reptiles of Europe; with descriptions of all the species - Clermont, Thomas Fortescue, Baron, 1815 -1887 (J. Van Voorst, 1859)

Guide to the reptiles and batrachians exhibited in the Department of zoology of the British museum (Natural history)... - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1922)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1962)

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)

Haiti and Dominican Republic, 1927 : to make natural history collections for the USNM; Includes field notes, circa 23 March - 3 June 1927, correspondence, expense records, and reference materials - Wetmore, Alexander, 1886 -1978 (1927)

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

Handbook for the physiological laboratories - Klein, E. (Edward), 1844 -1925 (Lindsay, 1873)

A handbook for the physiological laboratory - Klein, E. (Edward), 1844 -1925 (P. Blakiston, 1884)

Handbook of amphibians and reptiles of Kansas - Smith, Hobart M. (Hobart Muir), 1912 -2013 (1950)

Handbook of frogs and toads ... of the United States and Canada - Wright, Anna Allen, 1882 -1964 (Comstock Pub. Co, 1933)

Handbook of nature-study : for teachers and parents : based on the Cornell nature-study leaflets, with much additional material and many new illustrations - Comstock, Anna Botsford, 1854 -1930 (Comstock Publishing Company, 1912)

Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets, with much additional material and many new illustrations - Comstock, Anna Botsford, 1854 -1930 (Comstock Publishing Company, 1916)

Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets - Comstock, Anna Botsford, 1854 -1930 (Comstock Publishing Company, 1911)

Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets, with much additional material and many new illustrations - Comstock, Anna Botsford, 1854 -1930 (Comstock, 1923)

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, 1858)

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. part I -invertebrata - Dawson, J. W., (John William), 1820 -1899 (Dawson, 1870)

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

Handbuch der Biologie der Wirbeltiere - Hilzheimer, Max, 1877 - (illus (part col.), 1913)

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

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

Handbuch der Naturgeschichte aller drei Reiche, fur Lehrer and Lernende, fur Schule und Haus - Bromme, Traugott, 1802 -1866 (1850)

Handbuch der Naturgeschichte - Blumenbach, Johann Friedrich, 1752 -1840 (Bei Mich. Lechner Universitäts-Buchhändler, 1832)

Handbuch der Naturgeschichte. Zum Gebrauch bei vorlesungen - Burmeister, Hermann, 1807 -1892 (Verlag von Theod. Chr. Friedr. Enslin, 1837)

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

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

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

Handbuch der vergleichenden Physiologie - Winterstein, Hans, 1879 - (Fischer, 1914)

Handbuch der vergleichenden Physiologie - Winterstein, Hans, 1879 - (Fischer, 1913)

Handbuch der vergleichenden und experimentellen entwicklungslehre der wirbeltiere - Hertwig, Oscar, 1849 -1922 (G. Fischer, 1906)

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

Handbuch der Zoologie, oder Beschreibung der Thiere nach dem äussern und innern Baue, und ihren Berrichtungen - King's College London. (Verlag von J. B. Heubner, 1829)

Handbuch der zoologie - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1875)

Handbuch der Zootomie : Zweiter theil. Die Wirbelthiere - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Veit, 1856)

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)

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, 1879)

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, 1883)

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, 1888)

Hartland nature club, Hartland, Vermont - Morgan, Evaline Darling (The Elm tree press, 1923)

Harvard botanical memoirs - Harvard University. (Harvard University], 1894)