QD14 .D423
Debus, Allen G. "The Significance of the History of Early Chemistry". The Journal of World History, 1965.
https://franklin.library.upenn.edu/catalog/FRANKLIN_997545213503681
Debus, Allen G. "The Significance of the History of Early Chemistry". The Journal of World History, 1965.
https://franklin.library.upenn.edu/catalog/FRANKLIN_997545213503681