From Jean-Baptiste-Antoine Suard8
ALS: American Philosophical Society
<Paris, April 9, 1777, in French: Sends a letter from M. Arrenberg of Rotterdam, entrusted to his care and addressed to Franklin; please acknowledge its receipt.>
8. For the writer, academician, and censor of the theatre (1733–1817) see Larousse, Dictionnaire universel. The letter he was forwarding is above, March 31.