Science in the nineteenth century tr by A L Pomerans /

Eitemau Tebyg

• Science in the twentieth century tr by A J Pomerans /
  Cyhoeddwyd: (1966)
• The History of Science Nineteenth Century
  gan: Ray Spangenburg
  Cyhoeddwyd: (1999)
• History of science to the nineteenth century /
  gan: Singer, Charles
  Cyhoeddwyd: (1943)
• History of science in the nineteenth century /
  gan: Spangenburg, Ray .
  Cyhoeddwyd: (1994)
• The history of science in the nineteenth century
  gan: Ray Spangenburg
  Cyhoeddwyd: (1999)