Die Gefiederte Welt (VFV Verbands- und Fachschriftenverlag GmbH & Co. [etc.], 1899)

Die Gefiederte Welt (VFV Verbands- und Fachschriftenverlag GmbH & Co. [etc.], 1900)

Die Gefiederte Welt (VFV Verbands- und Fachschriftenverlag GmbH & Co. [etc.], 1901)

Die Gefiederte Welt (VFV Verbands- und Fachschriftenverlag GmbH & Co. [etc.], 1905)

Die Gefiederte Welt (VFV Verbands- und Fachschriftenverlag GmbH & Co. [etc.], 1912)

Gemeinnützige Naturgeschichte - Lenz, Harald Othmar, 1799 -1870 (Beckersche Buchhandlung, 1835)

Gemeinnützige Naturgeschichte Deutschlands nach allen drey Reichen : ein Handbuch zur deutlichern und vollständigern Selbstbelehrung besonders für Forstmänner, Jugendlehrer und Oekonomen - Bechstein, Johann Matthäus, 1757 -1822 (Bey Siegfried Lebrecht Crusius, 1809)

Gemeinnütziges Hand- und Hilfsbuch der Naturgeschichte. Für gebildete Leser aller Stände, besonders für die reifere Jugend und ihre Lehrer ... - Gloger, Constantin Wilhelm Lambert, 1803 -1859 (A. Schulz, 1842)

The genera and species of Mallophaga - Harrison, Launcelot. (Cambridge University Press, 1916)

Genera avium - Wytsman, P. (Philogène) 1866 -1925 (V. Verteneuil & L. Desmet, 1905)

Genera avium - Wytsman, P. (Philogène) 1866 -1925 (1905)

Genera avium - Wytsman, P. (Philogène) 1866 -1925 (1910)

Genera et species curculionidum, cum synonymia hujus familiæ - Schoenherr, C. J. (Carl Johan), 1772 -1848 (Roret, 1840)

Genera et species curculionidum, cum synonymia hujus familiæ - Schoenherr, C. J. (Carl Johan), 1772 -1848 (Roret, 1842)

Genera et species curculionidum, cum synonymia hujus familiæ - Schoenherr, C. J. (Carl Johan), 1772 -1848 (Roret, 1841)

Genera et species curculionidum, cum synonymia hujus familiæ - Schoenherr, C. J. (Carl Johan), 1772 -1848 (Roret, 1844)

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 diurnal lepidoptera : comprising their generic characters, a notice of their habits and transformations, and a catalogue of the species of each genus - Westwood, J. O. (John Obadiah), 1805 -1893 (Longman, Brown, Green, and Longmans, 1850)

The genera of fishes ... A contribution to the stability of scientific nomenclature - Jordan, David Starr, 1851 -1931 (The University, 1917)

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)

General biology - Mavor, James Watt, 1883 -1963 (Macmillan Co, 1947)

General conchology, or, A description of shells, arranged according to the Linnean system : and illustrated with plates, drawn and coloured from nature - Wood, W. (William), 1774 -1857 (Printed for John Booth by B. Howlett, 1815)

General conchology, or, A description of shells arranged according to the Linnean system ... - Wood, W. (William), 1774 -1857 (Printed for John Booth, 1835)

The general contents of the British museum, with remarks : serving as a directory in viewing that noble cabinet - British Museum (Printed for R. and J. Dodsley, in Pall-Mall, 1762)

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)

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], 1822)