21To Benjamin Franklin from ———, [1759–1775] (Franklin Papers)
AL (fragment): Historical Society of Pennsylvania [ First part missing ] Franklyn for the Favor...
22To Benjamin Franklin from —————, 8 August 1764 (Franklin Papers)
AL (mutilated): American Philosophical Society [I am] returning you my kind thanks for your...
23To Benjamin Franklin from ———, 10 May 1757 (Franklin Papers)
AL (incomplete): American Philosophical Society The accurate determination of longitude by a ship...
24To Benjamin Franklin from ——: The Dispute over Commissions for the Militia, [January 1756] (Franklin Papers)
Draft (incomplete): American Philosophical Society The author of this document, which survives...
25To Benjamin Franklin from ———, 1754 (Franklin Papers)
AL : American Philosophical Society This letter, undated, unsigned, and in an unidentified hand,...