General index to A hand-list of the genera and species of birds - Sharpe, Richard Bowdler, 1847 -1909 (British Museum (Natural History), 1912)

A general synopsis of birds - Latham, John, 1740 -1837 (Printed for Benj. White, 1782)

A general system of nature, through the three grand kingdoms of animals, vegetables, and minerals, systematically divided into their several classes, orders, genera, species, and varieties, with their habitations, manners, economy, structure and peculiarities - Linné, Carl von, 1707 -1778 (Printed for Lackington, ALlen, and Co., Temple of the Muses, Finsbury Square, 1802)

A general system of nature, through the three grand kingdoms of animals, vegetables, and minerals, systematically divided into their several classes, orders, genera, species, and varieties, with their habitations, manners, economy, structure, and peculiarities - Willdenow, Karl Ludwig, 1765 -1812 (Printed for Lackington, Allen, and Co, 1806)

A general view of the writings of Linnaeus - Pulteney, Richard, 1730 -1801 (Printed for T. Payne ...; and B. White, 1781)

A general view of the writings of Linnaeus - Maton, William George, 1774 -1835 (printed for J. Mawman by R. Taylor, 1805)

General zoology, or Systematic natural history - Stephens, James Francis, 1792 -1853 (Printed for G. Kearsley, 1809)

General zoology, or Systematic natural history - Stephens, James Francis, 1792 -1853 (Printed for G. Kearsley, 1825)

General zoology, or Systematic natural history - Stephens, James Francis, 1792 -1853 (Printed for G. Kearsley, 1826)

The genetic and the operative evidence relating to secondary sexual characters - Morgan, Thomas Hunt, 1866 -1945 (Carnegie institution of Washington, 1919)

A geographical and comparative list of the birds of Europe and North America - Bonaparte, Charles-Lucien, 1803 -1857 (J. Van Voorst, 1838)

The geographical distribution of animals : with a study of the relations of living and extinct faunas as elucidating the past changes of the earth's surface - Wallace, Alfred Russel, 1823 -1913 (Macmillan and Co, 1876)

The geographical distribution of animals : with a study of the relations of living and extinct faunas as elucidating the past changes of the earth's surface - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1876)

Geographical distribution of animals : with a study of the relations of living and extinct faunas as elucidating the past changes of the earth's surface - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1876)

The geographical distribution of animals, with a study of the relations of living and extinct faunas as elucidating the past changes of the earth's surface - Wallace, Alfred Russel, 1823 -1913 (Macmillan and Co, 1876)

The geographical distribution of animals. With a study of the relations of living and extinct faunas as elucidating the past changes of the earth's surface - Wallace, Alfred Russel, 1823 -1913 (Harper and brothers, 1876)

The geographical distribution of animals with a study of the relations of living and extinct faunas as elucidating the past changes of the earth's surface - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1876)

Le gerfaut = De giervalk - Institut royal des sciences naturelles de Belgique. (Institut royal des sciences naturelles de Belgique, 1923)

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)

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

Giornale Arcadico di Scienze / Lettere ed Arti (1831)

Giornale di scienze naturali ed economiche - Istituto tecnico di Palermo. (Istituto tecnico di Palermo, 1871)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 1909)

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, 1903)

Glasnik Hrvatskoga naravoslovnoga društva - Hrvatsko prirodoslovno društvo. (Vlastnitvo i naklada drutva, 1886-1907, 1905)

Glimpses of Indian birds - Dewar, Douglas, 1875 -1957 (John Lane, 1913)

A glossary of Greek birds - Thompson, D'Arcy Wentworth, 1860 -1948 (Clarendon Press, 1895)

Die Grösse und Farbe der Augen aller europäischen Vögel, sowie der in der palaearctischen Region vorkommenden Arten in systematischer Ordnung nach Carl J. Sundevall's Versuch einer natürlichen Aufstellung der Vögelklasse - Meves, Wilhelm. (W. Schlüter, 1888)

Grondbeginselen der natuurkundige wetenschappen - Duméril, C. (Constant), 1774 -1860 (Sterk, 1842)

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, 1882)

Guide to the birds of Europe and North Africa. With a biographical memoir by William Eagle Clarke - Wardlaw Ramsay, R. G. (Robert George), 1852 -1921 (Gurney and Jackson, 1923)