Die Geschichte der Natur : als zweite gänzlich umgearbeitete Auflage der allgemeinen Naturgeschichte - Schubert, Gotthilf Heinrich von, 1780 -1860 (Bei J.J. Palm und Ernst Enke, 1837)

Geschichte der Zoologie bis auf joh. Müller und Charl. Darwin - Carus, Julius Victor, 1823 -1903 (R. Oldenbourg, 1872)

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

Glimpses of nature - Wilson, Andrew, 1852 -1912 (Harper, 1891)

A glossary of botanic terms with their derivation and accent - Jackson, Benjamin Daydon, 1846 -1927 (Duckworth, 1928)

A glossary of botanic terms, with their derivation and accent - Jackson, Benjamin Daydon, 1846 -1927 (Duckworth, 1900)

A glossary of botanic terms, with their derivation and accent - Jackson, Benjamin Daydon, 1846 -1927 (Duckworth, 1905)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The green Algae of North America - Collins, Frank S. (Frank Shipley), 1848 -1920 (1909)

The green Algae of North America; (second supplement.) - Collins, Frank S. (Frank Shipley), 1848 -1920 (1918)

Grevillea - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Williams and Norgate, 1889)

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

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

Grundzüge der Pflanzenverbreitung in den Karpathen - Pax, Ferdinand, 1858 -1942 (W. Engelmann, 1898)

Grundzüge der Systematik und speciellen Pflanzenmorphologie - Goebel, K. (Karl), 1855 -1932 (Engelmann, 1882)

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

Guide leaflet - American Museum of Natural History (The Museum, 1923)

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

Guide leaflet - American Museum of Natural History (The Museum, 1942)

The Guide to nature - Agassiz Association. (Agassiz Association, 1908)

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)

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)

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

Half-hours with the microscope - Lankester, Edwin, 1814 -1874 (Hardwicke & Bogue, 1876)

Half-hours with the microscope : a popular guide to the use of the microscope as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (Hardwicke & Bogue, 1878)

Half-hours with the microscope; a popular guide to the use of the microscope as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (W.H. Allen, 1892)

Half-hours with the microscope; being a popular guide to the use of the miscroscope [sic] as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (R. Hardwicke, 1860)

Half-hours with the microscope : being a popular guide to the use of the microscope as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (Putnam's Sons, 1874)

Half-hours with the microscope; being a popular guide to the use of the microscope as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (Robert Hardwicke, 1859)

Half-hours with the microscope; being a popular guide to the use of the microscope as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (R. Hardwicke, 1863)

Half-hours with the microscope : a popular guide to the use of the microscope as a means of amusement and instruction - Lankester, Edwin, 1814 -1874 (W.H. Allen, 1892)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1875)

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)

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

A handbook of cryptogamic botany - Bennett, Alfred W. (Alfred William), 1833 -1902 (Longmans, Green, and Co, 1889)

A handbook of cryptogamic botany / by Alfred W. Bennett and George Murray - Bennett, Alfred W. (Alfred William), 1833 -1902 (Longmans, Green, and Co, 1889)

A handbook of cryptogamic botany - Bennett, Alfred W. (Alfred William), 1833 -1902 (Longmans, Green, 1889)

Handbook of physiology; a critical, comprehensive presentation of physiological knowledge and concepts - American Physiological Society (1887- ) (American Physiological Society, 1959)

Handbook of practical botany for the botanical laboratory and private student - Strasburger, Eduard, 1844 -1912 (Swan Sonnenschein, 1900)

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

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Macmillan & Co, 1895)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Swan, 1904)

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 - Clark, William, 1788 -1855 (Longman, Brown, Green, Longmans, and Roberts, 1858)

Handbuch der allgemeinen Botanik - Müller, Nicolaus Jacob Carl, 1843? -1901 (C. Winter's UniversitMatsbuchhandlung, 1880)

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

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