Discoveries in Science
Fragment of an address
Jac: Gregorii Oratio ad Acad: Edinburg:
Memorandum for Dr Pond by Dr Gregory when he went to China
Leyden book list
Papers in geography, history, and science
"Modern Technical Industry and the Careers It Offers"
The Contents of Mr Collins's letters to Mr Gregory from 1669 to Mr Gregory's death Octr 1675