Gemeinnüzzige Naturgeschichte des Thierreichs : darinn die merkwürdigsten und nüzlichsten Thiere in systematischer Ordnung beschrieben und alle Geschlechter in Abbildungen nach der Natur vorgestellet werden - Borowski, Georg Heinrich, 1746 -1801 (bei Gottlieb August Lange, 1781)

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

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 embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1961)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1965)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1967)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1971)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1973)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1974)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1975)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1976)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1977)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1978)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1979)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1980)

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], 1823)

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, 1783)

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

General zoology, or Systematic natural history - Stephens, James Francis, 1792 -1853 (Printed for G. Kearsley, 1819)

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