World checklist of threatened amphibians and reptiles / compiled by the World Conservation Monitoring Centre on behalf of the United Kingdom Scientific Authority for Animals.

Eitemau Tebyg

• Living amphibians of the world /
  gan: Cochran, Doris M. (Doris Mabel), 1898-
  Cyhoeddwyd: (1961)
• The encyclopedia of reptiles and amphibians /
  gan: Halliday, Tim, 1945-
  Cyhoeddwyd: (1986)
• The diversity of amphibians and reptiles : an introduction /
  gan: Cloudsley-Thompson, J. L.
  Cyhoeddwyd: (1999)
• The world of amphibians and reptiles /
  gan: Mertens, Robert, 1894-
  Cyhoeddwyd: (1960)
• Reptiles and amphibians /
  gan: Bennett, Daniel
  Cyhoeddwyd: (1999)