Columbia subject headings:
Harvard subject headings:
Autobiographies.
Bigelow, John, 1817-1911,
Inventors--United States--Biography
Printers--United States--Biography
Scientists--United States--Biography
Statesmen--United States--Biography.
Princeton subject headings:
Bigelow, John, 1817-1911
Franklin, Benjamin, 1706-1790.
Statesmen--United States--Biography.