Protokoll

-- Academy of natural Sciences, Philadelphia: Dess proceedings Vol. 1 N:o 1- 16.
-------- Notice of the Academy of Nat. Sciences whith an appendix 3. Edition.

-------- Act of incorporation on [sic. eg. and] Bylaws Laws and Regulations of the American Phil. Society.
-------- List of members and Correspondents.
-------- Adress delivered on laying the cornerstone of the Acad. of Nat. Sciences in Philadelphia den 25 Maji 1839.
------- Biographier of Thomas Say
William Maclure
Lewis David v. Tchweinitz.

-- American Phil. Society: Dess Proceedings N:o 21 och 22 Jan - april och Maj, Juni och Juli 1842.

Transactions of the American Philos. Soc. New Series Vol. Ix. part 2;
Proceedings of the Amer. Philos. Soc. N:o 32, 33, 34 (Jan–Dec. 1845.)
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