Columbia subject headings:
Bookbinders--Massachusetts--Biography.
Mann family.
Marbling (Bookbinding)--United States--History.
Harvard subject headings:
Bookbinders--Massachusetts--Biography.
Mann family.
Marbling (Bookbinding)--United States--History.
Princeton subject headings:
Bookbinders--Massachusetts--Biography.
Mann family.
Marbling (Bookbinding)--United States--History.