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

The genera of birds : comprising their generic characters, a notice of the habits of each genus, and an extensive list of species referred to their several genera - Gray, George Robert, 1808 -1872 (Longman, Brown, Green, and Longmans, 1844)

The genera of North American birds, and a synopsis of the species found within the territory of the United States - Bonaparte, Charles-Lucien, 1803 -1857 (Printed by J. Seymour, 1828)

A general history of birds - Latham, John, 1740 -1837 (Printed by Jacob and Johnson, for the author : sold in London by G. and W.B. Whittaker ... [and 3 others], 1821)

General index - Newstead, Robert (Simpkin, Marshall, Hamilton, Kent & co, 1899)

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

General zoology, or Systematic natural history - Stephens, James Francis, 1792 -1853 (Printed for G. Kearsley, 1817)

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)

Geografía de la isla de Cuba - Pichardo y Tapia, Estéban, 1799 -1879 (D.M. Soler, 1854)

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

A geographical bibliography of British ornithology from the earliest time to the end of 1918, arranged under counties, being a record of printed books, published articles, notes and records relating to local avifauna - Swann, H. Kirke (Harry Kirke), 1871 -1926 (Witherby, 1920)

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)

Geologische und palæontologische Abhandlungen (G. Fischer, 1884)

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)

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)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 1910)

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

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 1911)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 1914)

The Glasgow naturalist - Natural History Society of Glasgow. (Glasgow Natural History Society, 1913)

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)

The great Sahara: wanderings south of the Atlas Mountains - Tristram, H. B. (Henry Baker), 1822 -1906 (J. Murray, 1860)

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)

Grundriss der vergleichenden Anatomie der Wirbelthiere, für Studirende bearb - Wiedersheim, Robert, 1848 -1923 (Fischer, 1893)

Grundzüge der Palaeobiologie der Wirbeltiere - Abel, Othenio, 1875 -1946 (E. Schweizerbart, 1912)

Grundzüge der Paläontologie (Paläzoologie)/ von Karl A. von Zittel ... - Zittel, Karl Alfred von, 1839 -1904 (Druck und verlag von R. Oldenbourg, 1903)

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

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 gallery of birds in the department of zoology, British Museum (Natural History) - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1921)

Guide to the gallery of birds in the Department of zoology, British museum (Natural history) - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1910)

Guide to the gallery of birds in the Department of Zoology of the British Museum (Natural History) - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1905)

Guide to the zoological collections of the Raffles Museum, Singapore - Hanitsch, R. (Printed by the Straits Times Press, 1908)

Hand-book to the birds of Great Britain - Sharpe, Richard Bowdler, 1847 -1909 (Allen, 1896)

Hand-book to the birds of Great Britain - Sharpe, Richard Bowdler, 1847 -1909 (Allen, 1895)

A hand-book to the birds of Great Britain - Sharpe, Richard Bowdler, 1847 -1909 (E. Lloyd, Limited, 1896)

A hand-list of British birds, with an account of the distribution of each species in the British Isles and abroad - Jourdain, F. C. R. (Francis Charles Robert), 1865 -1940 (Witherby, 1912)

Hand-list of genera and species of birds : distinguishing those contained in the British Museum - Gray, George Robert, 1808 -1872 (printed by order of the Trustees, 1869)

Hand-list of genera and species of birds : distinguishing those contained in the British Museum - Gray, George Robert, 1808 -1872 (printed by order of the Trustees, 1871)

A hand-list of genera and species of birds of the Indian empire - Bombay Natural History Society. (Printed by order of the committee of the Bombay Natural History Society, 1923)

A hand-list of the birds of Japan - Ogawa, Minori. (1908)