1To Benjamin Franklin from Peter Collas, 10 January 1779 (Franklin Papers)
ALS : American Philosophical Society I, with honner & pleasure imform you of your favr. Received...
2To Benjamin Franklin from the Baron de Holtzendorff, 10 January 1779 (Franklin Papers)
ALS : American Philosophical Society Your intention being to Shew to them other Gentlemen, your...