Columbia subject headings:
American newspapers.
Booksellers and bookselling--America.
Printers--America.
Printing--America--History.
Harvard subject headings:
American newspapers--History
Booksellers and bookselling--America--History.
Printers--America--Biography.
Printing--America--History.
Thomas, Isaiah, 1749-1831--Portraits.
Princeton subject headings:
American newspapers.
Booksellers and bookselling--United States.
Printers--United States.
Printing--America--History.
Printing--United States--History.