Frog

A Textbook of Zoology Vidyarthi, R.D. 2005 An Elementary Textbook of Zoology Bhatia, B.L. 1963 The biology of the frog Holmes, Samuel J. 1954 The frog its reproduction and development Rugh, Roberts 1951 The Frog: An Introduction to Anatomy, Histology and Embryology Marshall, Milnes A. 1928