Booksellers and bookselling -- Pennsylvania -- Philadelphia 1 Bradford, James Sydney 1 Caldwell family 1 Hewson family 1 Insurance--Philadelphia--18th century 1 Pennsylvania Journal--18th century 1 Pennsylvania. National Guard. Regiment, 20th 1 more ... Printing--Philadelphia--18th century 1 United States--History--Revolution, 1775-1783--Navy 1 United States--History--Revolution, 1775-1783--Prisoners 1 less ...