Ces inconnus ont fait le siècle /

Eitemau Tebyg

• Profiles of the future; an inquiry into the limits of the possible.
  gan: Clarke, Arthur Charles, 1917-
  Cyhoeddwyd: (1962)
• Inventing : how the masters did it /
  gan: Vanderbilt, Byron M.
  Cyhoeddwyd: (1974)
• Stories of inventors : the adventures of inventors and engineers /
  gan: Doubleday, Russell
  Cyhoeddwyd: (1904)
• The inventor and his world /
  gan: Hatfield, Henry S. (Henry Stafford)
  Cyhoeddwyd: (1948)
• The creative engineer : the art of inventing /
  gan: Kock, Winston E.
  Cyhoeddwyd: (1978)