11Lewis Ourry to ———, 26 December 1756 (Franklin Papers)
ALS : American Philosophical Society By visiting the Quarters of the Men belonging to the first...
12From Benjamin Franklin to ———, [1757–1775] (Franklin Papers)
Draft: American Philosophical Society I have perus’d the Letters and Papers you put into my...
13To Benjamin Franklin from ———, 10 May 1757 (Franklin Papers)
AL (incomplete): American Philosophical Society The accurate determination of longitude by a ship...
14From Benjamin Franklin to ———, [13 December 1757] (Franklin Papers)
Draft: Library of Congress; also copy: Yale University Library; and French translation: The...
15To Benjamin Franklin from ———, [1759–1775] (Franklin Papers)
AL (fragment): Historical Society of Pennsylvania [ First part missing ] Franklyn for the Favor...
16From Benjamin Franklin to ——, [1760?] (Franklin Papers)
Draft (fragment): Library of Congress This fragment in Franklin’s hand is written on what appears...
17From Benjamin Franklin to ——, 8 April 1760 (Franklin Papers)
Draft: American Philosophical Society I received your Favour of the 31st of last Month, the...
18To Benjamin Franklin from —————, 8 August 1764 (Franklin Papers)
AL (mutilated): American Philosophical Society [I am] returning you my kind thanks for your...
19From Benjamin Franklin to ——, [11 April 1767] (Franklin Papers)
MS not found; reprinted from extract in The Pennsylvania Chronicle , June 1–8, 1767. We have been...
20From Benjamin Franklin to ———, 28 November 1768 (Franklin Papers)
Printed in part in The Gentleman’s Magazine , XLIX (supplement, 1779), pp. 647–8; printed in full...