History of science in the eighteenth century /

Eitemau Tebyg

• The history of science in the eighteenth century
  gan: Spangenburg, Ray
  Cyhoeddwyd: (1993)
• History of science in the eighteenth century
  gan: Spangenburg Ray
• The history of science in the eighteenth century/
  gan: Ray Spangenburg
  Cyhoeddwyd: (1999)
• The History of Science in the Eighteenth Century
  gan: Ray Spangenburg
  Cyhoeddwyd: (1999)
• THE HISTORY OF SCIENCE IN THE EIGHTEENTH CENTURY
  gan: SPANGENBURG RAY & MOSER,DIANE K
  Cyhoeddwyd: (2000)