Cooperation and competition among primitive peoples.

Eitemau Tebyg

• The concept of the primitive.
  gan: Montagu, Ashley, 1905-1999
  Cyhoeddwyd: (1968)
• The hunters
  gan: Service, Elman Rogers, 1915-
  Cyhoeddwyd: (1966)
• Primitive arts and crafts; an introduction to the study of material culture.
  gan: Sayce, Roderick Urwick
  Cyhoeddwyd: (1963)
• Primitive heritage, an anthropological anthology;
  gan: Mead, Margaret, 1901-1978
  Cyhoeddwyd: (1953)
• Sex and temperament in three primitive societies.
  gan: Mead, Margaret, 1901-1978
  Cyhoeddwyd: (1968)