1From Benjamin Franklin to John Adams, 21 April 1780 (Franklin Papers)
LS : Massachusetts Historical Society; copy: Library of Congress The Letter your Excellency did...
Two ALS : American Philosophical Society Since my last of the 14th. of Jany. the following Setts...
3From Benjamin Franklin to Richard Bache, 24 May 1780 (Franklin Papers)
ALS : New-York Historical Society Messieurs Galatin & De Serres, two young Gentlemen of Geneva,...
4From Benjamin Franklin to Richard Bache, 3 June 1780 (Franklin Papers)
Copy: Library of Congress I seldom hear from you or Sally, but I have lately had the satisfaction...
5From Benjamin Franklin to Richard Bache, 27 June 1780 (Franklin Papers)
LS : Mrs. Richard R. Wood, Wawa, Pennsylvania (1957) I have just received yours of may 2. with...
6From Benjamin Franklin to Sarah Bache, 27 June 1780[–12 August 1780] (Franklin Papers)
LS : Mrs. Martin M. Kendig, Chicago, Illinois (1955) I received your pleasing Letters of Nov. 14....
7From Benjamin Franklin to Sarah Bache, 16 March 1780 (Franklin Papers)
ALS : American Philosophical Society I received your kind Letters of Sept. 14. and 25th. You...
8From Benjamin Franklin to Edward Bancroft, 4 March 1780 (Franklin Papers)
Copy: Library of Congress You will see by the enclos’d that a Demand is made of replacing the...
9From Benjamin Franklin to Paul Bentalou, 15 May 1780 (Franklin Papers)
Copy: Library of Congress The Buckskin not belonging to the United States, but to private...
10From Benjamin Franklin to John Bondfield, 19 March 1780 (Franklin Papers)
Copy: Library of Congress I received yours offering the Govr. Livingston and mary fearon for the...
11From Benjamin Franklin to Thomas Bond, 16 March 1780 (Franklin Papers)
Reprinted from William Temple Franklin, ed., The Private Correspondence of Benjamin Franklin...
12From Benjamin Franklin to Cabanis, [30 June 1780] (Franklin Papers)
Reprinted from John Bigelow, The Life of Benjamin Franklin, Written by Himself (5th ed.; 3 vols.,...
13From Benjamin Franklin to ——— Caccia, 8 March 1780 (Franklin Papers)
ALS : Albert M. Greenfield, Philadelphia, Pennsylvania (1958) I unfortunately mislaid M....
14From Benjamin Franklin to William Carmichael, 17 June 1780 (Franklin Papers)
Copy: Library of Congress Your favour of the 22 past came duly to Hand. Sir J.D. has been here...
15From Benjamin Franklin to William Carmichael, 31 March[–7 April 1780] (Franklin Papers)
Copies (two): Library of Congress I received by M. Gerard your kind Letter written at...
16From Benjamin Franklin to Samuel Cooper, 16 March 1780 (Franklin Papers)
LS : Henry E. Huntington Library I received your kind Favour by Capt. Chavagnes, which I...
17From Benjamin Franklin to Delleville, 15 April 1780 (Franklin Papers)
Copy: Library of Congress I received the Letter you did me the honour of writing to me the 10th....
18From Benjamin Franklin to Thomas Digges, 25 June 1780 (Franklin Papers)
Copy: Library of Congress I received yours inclosing a very obliging Letter from Mr. President...
19From Benjamin Franklin to Thomas Digges, 15 March 1780 (Franklin Papers)
Copy: Library of Congress In compliance with your Recommendation, which I very much respect, I...
20From Benjamin Franklin to John Diot and Co., 23 May 1780 (Franklin Papers)
Copy: Library of Congress I received the honour of yours (without date) but enclosing three...
21From Benjamin Franklin to [Dumas], 31 March 1780 (Franklin Papers)
ALS : Boston Public Library; transcript: National Archives I wrote to you yesterday relating to...
22From Benjamin Franklin to Dumas, 5 June 1780 (Franklin Papers)
LS : American Philosophical Society; copy: Library of Congress; transcript: National Archives The...
23From Benjamin Franklin to Dumas, 23 April 1780 (Franklin Papers)
Copy: Library of Congress; transcript: National Archives I am Much pleased with the Account you...
24From Benjamin Franklin to Dumas: Two Letters, 29 March 1780 (Franklin Papers)
(I) and (II) Copy: Library of Congress; transcript: National Archives I did receive the Letter...
25From Benjamin Franklin to Dumas: Two Letters, 22 June 1780 (Franklin Papers)
(I) and (II) copies: Library of Congress, National Archives I received duly yours of May 23. June...
26From Benjamin Franklin to Octavie Guichard Durey de Meinières, 23 April 1780 (Franklin Papers)
AL : American Philosophical Society It is certain that Mr. Franklin has promised Madame Helvetius...
27From Benjamin Franklin to Duvivier, 4 May 1780 (Franklin Papers)
AL (draft): American Philosophical Society J’ai montré les Epreuves de la Medaille à plusieurs...
28From Benjamin Franklin to the Eastern Navy Board, 15 March 1780 (Franklin Papers)
Copy: Library of Congress I acquainted you in a former Letter, that there were great...
29From Benjamin Franklin to Fizeaux, Grand & Cie., 23 April 1780 (Franklin Papers)
Copy: Library of Congress I received your respected favours of the Instant with your Acct of...
30From Benjamin Franklin to John Fothergill, 19 June 1780 (Franklin Papers)
Reprinted from William Temple Franklin, ed., Private Correspondence of Benjamin Franklin (2...
31From Benjamin Franklin to Simon-Pierre Fournier le jeune, 4 May 1780 (Franklin Papers)
AL (draft): American Philosophical Society Je parle si mal François que je ne suis pas surpris de...
32To Benjamin Franklin from Joseph Banks, 29 March 1780 (Franklin Papers)
ALS : American Philosophical Society By the hands of Mr. Paradise I have receivd a copy of the...
33To Benjamin Franklin from the Board of Admiralty, 6 May 1780 (Franklin Papers)
ALS : National Archives By the enclosed affidavits and protests you will perceive that James...
34To Benjamin Franklin from the Chevalier de Pougens, 8 May 1780 (Franklin Papers)
LS : American Philosophical Society J’ai l’honneur de vous envoïer un paquet que je suis chargé...
35To Benjamin Franklin from Jean-Jacques de Lafreté, 31 May 1780 (Franklin Papers)
AL : American Philosophical Society M. Lafreté a reçû a la Campagne le petit Billet de Monsieur...
36To Benjamin Franklin from Arendt, 22 May 1780 (Franklin Papers)
AL : American Philosophical Society Le Baron de Arendt présente Ses trés humbles rêspects et...
37To Benjamin Franklin from Balthazar-Georges Sage, 22 May 1780 (Franklin Papers)
ALS : American Philosophical Society J’ai appris par Mr. Leschevin que vous aviez eté voir à...
38To Benjamin Franklin from Count Andreas Peter von Bernstorff, 8 March 1780 (Franklin Papers)
ALS : Library of Congress; copies: Columbia University Library, National Archives; press copy:...
39To Benjamin Franklin from ——— De Reine, 26 April 1780 (Franklin Papers)
ALS : American Philosophical Society Les harricots que j’ai eu lhonneur de vous donner hier chez...
40To Benjamin Franklin from Joseph Wharton, Jr., 27 April 1780 (Franklin Papers)
ALS : American Philosophical Society The many marks of your esteem for me at Passy, at the same...
41To Benjamin Franklin from Wulffen, 10 June 1780 (Franklin Papers)
LS : American Philosophical Society J’ai l’honneur de joindre ici 3. Lettres que je supplie Votre...
42To Benjamin Franklin from Pierre-Simon-Benjamin Duvivier, 20 April 1780 (Franklin Papers)
ALS : American Philosophical Society La Médaille dont Votre excellence m’a chargé est gravèe et...
43To Benjamin Franklin from Alexander Gillon, 12 June 1780 (Franklin Papers)
LS : American Philosophical Society When I had the pleasure of seeing you last, I acquainted your...
44To Benjamin Franklin from Charles Collins, 29 March 1780 (Franklin Papers)
ALS : American Philosophical Society As you are the gentleman orethersed to hear and Redress the...
45To Benjamin Franklin from Dumas, 25 June 1780 (Franklin Papers)
ALS : American Philosophical Society Je fais de mon mieux pour pallier & exténuer ici le mal de...
46To Benjamin Franklin from Dumas, 7 April 1780 (Franklin Papers)
ALS : American Philosophical Society; AL (draft): Algemeen Rijksarchief J’ai l’honneur des trois...
47To Benjamin Franklin from the Baron de Wulffen, [before 1 June 1780] (Franklin Papers)
L : American Philosophical Society Jean Henry Baron de Wulffen, natif de Magdeburg, ci-devant...
48To Benjamin Franklin from Sarsfield, 8 April 1780 (Franklin Papers)
ALS : American Philosophical Society Jay Eté tres faché Monsieur que Mr Votre petit fils et vous...
49To Benjamin Franklin from John Diot & Co., 2 June 1780 (Franklin Papers)
ALS : American Philosophical Society We Receiv’d Your Excellency’s honored Letter 23d. May in...
50To Benjamin Franklin from J.F. Frin & Co., 9 March 1780 (Franklin Papers)
LS : American Philosophical Society Nous avons remis chez M Grand dès le 23 du mois passé 19...