1To Benjamin Franklin from Schweighauser & Dobrée, 8 June 1782 (Franklin Papers)
ALS : Historical Society of Pennsylvania We have had the honor of writing to your Excellency the...
2To Benjamin Franklin from Schweighauser & Dobrée, 20 July 1782 (Franklin Papers)
ALS : Historical Society of Pennsylvania Altho.’ we are without any answer to the Letters we have...