Columbia subject headings:
Franklin, Benjamin, 1706-1790.
Inventors--United States--Biography.
Printers--United States--Biography.
Scientists--United States--Biography.
Statesmen--United States--Biography.
Harvard subject headings:
Princeton subject headings:
Franklin, Benjamin, 1706-1790.
Personal correspondence.
Philosophers--United States--Correspondence.
Scientists--United States--Correspondence.
Statesmen--United States--Correspondence.