Columbia subject headings:
Gradmann, Ulrich Christoph, 1781-1859.
Ravensburg (Germany)--Biography.
Ravensburg (Germany)--History.
Harvard subject headings:
Gradmann, Ulrich Christoph, 1781-1859.
Ravensburg (Germany)--Biography.
Ravensburg (Germany)--History.
Princeton subject headings:
Gradmann, Ulrich Christoph, 1781-1859.
Ravensburg (Germany)--Biography.
Ravensburg (Germany)--History.