Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 20/fr-ca/proceedings-of-the-american-philosophical-society-held-at-philadelphia-for-promoting-useful-knowledge-volume-20/B370D2D0-42E1-41A9-A994-9480C6D8A20E.htmlB370D2D0-42E1-41A9-A994-9480C6D8A20E
Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 20