1Franklin and Hall: Accounts, 1748–1766 (Franklin Papers)
MS Account Book: American Philosophical Society This ledger, labeled “Franklin & Hall No. 1,”...
2Account of Money Received from David Hall, 1748–1757 (Franklin Papers)
MS Account Book: American Philosophical Society This little book contains in eight pages headed...
3Poor Richard Improved, 1750 (Franklin Papers)
Poor Richard improved: Being an Almanack and Ephemeris … for the Year of our Lord 1750 . … By...
4To Benjamin Franklin from Peter Collinson, [June 1750] (Franklin Papers)
AL (fragment): Library Company of Philadelphia [ First part missing ] Pray give my respects to...
5From Benjamin Franklin to Cadwallader Colden, 28 June 1750 (Franklin Papers)
ALS : New-York Historical Society I wrote a Line to you last Post, and sent you some Electrical...
6Last Will and Testament, 22 June 1750 (Franklin Papers)
ADS (mutilated): American Philosophical Society I Benjamin Franklin of the City of Philadelphia...
7From Benjamin Franklin to William Strahan, 2 June 1750 (Franklin Papers)
MS not found; facsimiles of ALS : Historical Society of Pennsylvania and Boston Public Library...
8To Benjamin Franklin from Samuel Johnson, [10 May 1750] (Franklin Papers)
Letterbook copy (fragment): Columbia University Library [ First part missing ] Seat of London. I...
9To Benjamin Franklin from Peter Collinson, 25 April 1750 (Franklin Papers)
ALS : American Philosophical Society I wish I have before this advised my Worthy Friend that his...
10From Benjamin Franklin to Abiah Franklin, 12 April 1750 (Franklin Papers)
ALS : Boston Athenaeum We received your kind Letter of the 2d Instant, and are glad to hear you...
11From Benjamin Franklin to Peter Collinson, [2 March 1750] (Franklin Papers)
MS not found; reprinted from The Gentleman’s Magazine , XX (1750), 208. I was very much pleased...
12James Logan to Peter Collinson, 28 February 1750 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I have Spent most of this day for the first...
13To Benjamin Franklin from George Whitefield, 26 February 1750 (Franklin Papers)
MS not found; reprinted from A Select Collection of Letters of the Late Reverend George...
14From 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...
15From Benjamin Franklin to Cadwallader Colden, 13 February 1750 (Franklin Papers)
ALS : Historical Society of Pennsylvania I receiv’d your very kind Letter relating to my...
16From Benjamin Franklin to Jared Eliot, 13 February 1750 (Franklin Papers)
ALS : Mrs. Richard D. Wood, Jr., Wawa, Pa. (1957); printed in American Journal of Science, and...
17To Benjamin Franklin from Peter Collinson, 5 February 1750 (Franklin Papers)
ALS : American Philosophical Society I have so many Obligations to my kind Friend, that I...
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, 20 January 1750 (Franklin Papers)
MS not found; reprinted from extract in Sparks, Works , VI , 100. The magical squares, how...
20To Benjamin Franklin from James Logan, 12 January 1750 (Franklin Papers)
Letterbook abstract: Historical Society of Pennsylvania I wrote to him to come up hither next...
21William Watson: Notice of Franklin’s Experiments, 11 January 1750 (Franklin Papers)
MS : The Royal Society; also copy: American Academy of Arts and Sciences At the reading of this...
22To Benjamin Franklin from James Logan, 8 January 1750 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania If there be any convenient room left, Since...
23Poor Richard Improved, 1749 (Franklin Papers)
Poor Richard improved: Being an Almanack and Ephemeris … for the Year of our Lord 1749 . … By...
24[From Benjamin Franklin to Jared Eliot, c. 1749] (Franklin Papers)
MS : Yale University Library This document, consisting of the first four pages of a letter,...
25Proposals for Preparing the Academy Building, [December 1749?] (Franklin Papers)
AD (fragment): American Philosophical Society With by-laws signed and funds promised for the...
26To Benjamin Franklin from James Logan, 17 December 1749 (Franklin Papers)
Letterbook abstract: Historical Society of Pennsylvania I Send him his borrowed Praeceptor. I...
27From 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...
28From 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...
29To Benjamin Franklin from James Logan, 13 December 1749 (Franklin Papers)
Letterbook abstract: Historical Society of Pennsylvania I wrote to him that Lewis Evans has been...
30To Benjamin Franklin from Cadwallader Colden, [November 1749] (Franklin Papers)
Draft: New-York Historical Society I receiv’d by the last opportunity from New York the Proposals...