Certain systematic methods of scientific thinking may produce much more rapid progress than others/

Eitemau Tebyg

• More Precious than Gold and Philately /
  gan: Forsher, Bruno J.
• More human than divine : an intimate and lively self-portrait in clay of a smiling people from ancient Veracruz /
  gan: Spratling, William, 1900-1967
  Cyhoeddwyd: (1960)
• A cross-cultural study of drinking: Relations to other features of culture/
  gan: Paddock, John, 1918-1998
• the structure of discovery. Scientific discovery is no less logical than deduction/
  gan: Paddock, John, 1918-1998
• Dialectics in zapotec thinking/
  gan: Paddock, John, 1918-1998