Divorce among the gulls : an uncommon look at human nature /

Eitemau Tebyg

• An introduction to comparative psychology /
  gan: Morgan, C. Lloyd (Conwy Lloyd), 1852-1936
  Cyhoeddwyd: (1993)
• Being and becoming human: essays on the biogram
  gan: Count, Earl W. (Earl Wendel), 1899-
  Cyhoeddwyd: (1973)
• Of animals and men; a comparison of human and animal behavior.
  gan: Bixby, William
  Cyhoeddwyd: (1968)
• Comparative psychology; a modern survey
  gan: Dewsbury, Donald A., 1939-
  Cyhoeddwyd: (1973)
• The social contract : a personal inquiry into the evolutionary sources of order and disorder /
  gan: Ardrey, Robert
  Cyhoeddwyd: (1970)