431From Benjamin Franklin to William Strahan, 28 February 1749 (Franklin Papers)
MS not found; extract reprinted from Stan V. Henkels, Catalogue No. 906, pt. 2, supplement...
432Directors of Library Company to Thomas Penn, 14 March 1749 (Franklin Papers)
Copy: Historical Society of Pennsylvania This waits of You to acknowledge the Receipt of Your...
433From Benjamin Franklin to Peter Collinson, 29 April 1749 (Franklin Papers)
Copy: American Academy of Arts and Sciences I now send you some Further Experiments and...
434From Benjamin Franklin to John Mitchell, 29 April 1749 (Franklin Papers)
Copy: American Academy of Arts and Sciences Observations and Suppositions towards forming a new...
435From Benjamin Franklin to William Strahan, 29 April 1749 (Franklin Papers)
ALS : Pierpont Morgan Library I suppose Mr. Hall will acquaint you that I have settled with him...
436From George Washington to Lawrence Washington, 5 May 1749 (Washington Papers)
I hope your Cough is much mended since I saw you last, if so likewise hope you have given over...
437To Benjamin Franklin from James Logan, 19 May 1749 (Franklin Papers)
Letterbook abstract: Historical Society of Pennsylvania Sent him Capt. Smiths voyages or Travels...
438From 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...
439To Benjamin Franklin from James Logan, 11 June 1749 (Franklin Papers)
Letterbook abstract: Historical Society of Pennsylvania Wrote to B. Franklin to come up and See...
440From Benjamin Franklin to William Strahan, 3 July 1749 (Franklin Papers)
MS not found; reprinted from Bigelow, Works , X , 252–3. I wrote to you very fully per Arthur...