1X. Jacob Isaacks to the Secretary of State, 1 November 1791 (Jefferson Papers)
I take the liberty to address You on the subject of taking the fresh water from the Sea Water,...
2XII. Jacob Isaacks to the Secretary of State, 19 March 1792 (Jefferson Papers)
I recieved Yours with the Report, and was sorry to find You was so Hastity in Making the same so...