11From 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...
12From Benjamin Franklin to James Logan, 4 July 1749 (Franklin Papers)
ALS : American Philosophical Society I sent word today to N. Holland, that you desired to see...
13From Benjamin Franklin to James Logan, 12 September 1749 (Franklin Papers)
ALS (fragment): Historical Society of Pennsylvania [ First part missing ] [Ad]vertisement, by...
14From Benjamin Franklin to James Logan, 18 September 1749 (Franklin Papers)
MS not found; reprinted from extract in Sparks, Works , VII , 40. For the reason you mention, I...
15From Benjamin Franklin to James Logan, 16 December 1749 (Franklin Papers)
MS not found; reprinted from extract in Sparks, Works , VII , 40. I send you herewith a new...
16From Benjamin Franklin to James Logan, 17 December 1749 (Franklin Papers)
MS not found; reprinted from extract in Sparks, Works , VII , 40. I send the Dialogues on...
17From 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...
18From 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...
19From 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...