Gnomes of the night: the spadefoot toads,

समान संसाधन

• Handbook of frogs and toads of the United States and Canada,
  द्वारा: Wright, Anna (Allen) 1882-
  प्रकाशित: (1949)
• A dissection guide to Xenopus Laevis, the African clawed toad /
  द्वारा: Burton, Bridget K.
  प्रकाशित: (1973)
• Normal table of Xenopus laevis (Daudin). A systematical and chronological survey of the development from the fertilized egg till the end of metamorphosis.
  प्रकाशित: (1967)
• The gnomes of Zurich
  द्वारा: Fehrenbach, T. R.
  प्रकाशित: (1966)
• Night of the toads /
  द्वारा: Arden, William, 1924-
  प्रकाशित: (1972)