21Dumas to the American Commissioners, 18 August 1778: résumé (Franklin Papers)
ALS : American Philosophical Society <The Hague, August 18, 1778, in French: Nothing worthy of...
22Dumas to the American Commissioners, 4 August 1778: résumé (Franklin Papers)
ALS : Harvard University Library <The Hague, August 4, 1778, in French: M. van Berckel has...
23Dumas to the American Commissioners, 31 July 1778 (Franklin Papers)
ALS : American Philosophical Society Je viens de recevoir les doubles des deux Lettres du...
24Dumas to the American Commissioners, 28 July 1778: résumé (Franklin Papers)
ALS : Harvard University Library; AL (draft): Algemeen Rijksarchief <The Hague, July 28, 1778, in...
25Dumas to the American Commissioners, 24 July 1778: résumé (Franklin Papers)
ALS : American Philosophical Society; AL (draft): Algemeen Rijksarchief <The Hague, July 24,...
26Dumas to the American Commissioners, 21 July 1778: résumé (Franklin Papers)
ALS : American Philosophical Society; AL (draft): Algemeen Rijksarchief <The Hague, July 21,...
27Dumas to the American Commissioners, 17 July 1778: résumé (Franklin Papers)
ALS : American Philosophical Society; AL (draft): Algemeen Rijksarchief <The Hague, July 17,...
28Charles-Guillaume-Frédéric Dumas to the American Commissioners, 3 July 1778: résumé (Franklin Papers)
ALS : American Philosophical Society; AL (draft): Algemeen Rijksarchief <The Hague, July 3, 1778,...
29Dumas to the American Commissioners, 27[–30] June 1778: résumé (Franklin Papers)
AL : American Philosophical Society; AL (draft): Algemeen Rijksarchief <The Hague, June 27[–30],...
30Dumas to the American Commissioners, 19[–26] June 1778: résumé (Franklin Papers)
AL : Harvard University Library; AL (draft): Algemeen Rijksarchief <The Hague, June 19[–26],...