1From Benjamin Franklin to Giambatista Beccaria, 19 November 1779 (Franklin Papers)
LS : Yale University Library; AL (draft) and copy: Library of Congress Having sometime since...
2From Benjamin Franklin to Giambatista Beccaria, 13 July 1762 (Franklin Papers)
MS not found; reprinted from Benjamin Franklin, Experiments and Observations on Electricity ,...
3From Benjamin Franklin to Giambatista Beccaria, 20 March 1774 (Franklin Papers)
ALS (letterbook draft): American Philosophical Society; additions after the signature...
4From Benjamin Franklin to Giambatista Beccaria, 11 August 1773 (Franklin Papers)
Retranslated from the Italian in Giuseppe A. G. S. Eandi, Memorie istoriche intorno gli studi del...
5From Benjamin Franklin to Giambatista Beccaria, 21 September 1768 (Franklin Papers)
Translated from the Italian in Giuseppe A. F. G. Eandi, Memorie istoriche intorno gli studi del...
6From Benjamin Franklin to Beccaria, 19 February 1781 (Franklin Papers)
Press copy: Library of Congress I received lately through the hands of your Ambassador, the...
7To Benjamin Franklin from Beccaria: résumé, 16 December 1779 (Franklin Papers)
ALS and copy: American Philosophical Society; four drafts: American Philosophical Society <Turin,...
8To Benjamin Franklin from Giambatista Beccaria, [1757] (Franklin Papers)
Translation of extract (?) in Franklin’s hand: Yale University Library; extract (?) in Italian:...
9To Benjamin Franklin from Giambatista Beccaria, 20 May 1771 (Franklin Papers)
Translation of the Italian text printed in Giambatista Beccaria, Elettricismo artificiale ......
10To Benjamin Franklin from Giambatista Beccaria: résumé, 17 November 1780 (Franklin Papers)
ALS : American Philosophical Society <Turin, November 17, 1780, in Italian: Encouraged by your...