Who's who in science and engineering.

Eitemau Tebyg

• World who's who in science : a biographical dictionary of notable scientists from antiquity to the present /
  Cyhoeddwyd: (1968)
• Asimov's biographical encyclopedia of science and technology : the lives and achievements of 1510 great scientists from ancient times to the present chronologically arranged /
  gan: Asimov, Isaac, 1920-
  Cyhoeddwyd: (1982)
• A biographical dictionary of scientists;
  gan: Williams, Trevor I. (Trevor Illtyd)
  Cyhoeddwyd: (1969)
• Chambers concise dictionary of scientists /
  Cyhoeddwyd: (1989)
• Pioneers of science : seven pictures of struggle and victory /
  gan: Defries, Amelia Dorothy, 1882-
  Cyhoeddwyd: (1928)