11From Benjamin Franklin to James Logan, 29 January 1750 (Franklin Papers)
Transcript: Harvard College Library (Sparks) Enclosed I send you a Copy of the Constitution of...
12From Benjamin Franklin to James Logan, 17 February 1750 (Franklin Papers)
MS not found; reprinted from extract in Sparks, Works , VII , 40. I send Whiston’s Life. He seems...
13From Benjamin Franklin to James Logan, 30 January 1748 (Franklin Papers)
MS not found; reprinted from Sparks, Works , VII , 33. I send you herewith the book, and enclosed...
14From Benjamin Franklin to James Logan, 19 May 1749 (Franklin Papers)
MS not found; reprinted from extract in Sparks, Works , VII , 40. I send you the third and fourth...
15From Benjamin Franklin to James Logan, 12 September 1749 (Franklin Papers)
ALS (fragment): Historical Society of Pennsylvania [ First part missing ] [Ad]vertisement, by...
16From Benjamin Franklin to James Logan, 10 May 1748 (Franklin Papers)
MS not found; reprinted from extract in Stan V. Henkels, Catalogue No. 1082 (April 11–12, 1913),...
17From Benjamin Franklin to James Logan, 7 November 1748 (Franklin Papers)
MS not found; reprinted from extract in Sparks, Works , VII , 39–40. I send you herewith the late...
18From Benjamin Franklin to James Logan, 29 November 1748 (Franklin Papers)
ALS : Historical Society of Pennsylvania I received your Favour of the 9th Inst. with the Voyage...
19From Benjamin Franklin to James Logan, 20 January 1750 (Franklin Papers)
MS not found; reprinted from extract in Sparks, Works , VI , 100. The magical squares, how...