The history of science in the nineteenth century \

Eitemau Tebyg

• History of science in the nineteenth century /
  gan: Spangenburg, Ray .
  Cyhoeddwyd: (1994)
• The history of science in the nineteenth century /
  gan: Spangenburg, Ray
  Cyhoeddwyd: (1999)
• The History of Science Nineteenth Century
  gan: Ray Spangenburg
  Cyhoeddwyd: (1999)
• History of science in the nineteenth century
  gan: Spangenburg Ray
• The history of science in the nineteenth century
  gan: Ray Spangenburg
  Cyhoeddwyd: (1999)