Columbia subject headings:
Harvard subject headings:
Escher, Nanny von, 1855-1932.
Gessner-Heidegger, Judith, 1736-1818.
Schulthess-Wolf, Barbara, 1745-1818.
Welti-Escher, Lydia, 1858-1891.
Women--Switzerland--Zurich--Biography.
Zurich (Switzerland)--Biography.
Princeton subject headings:
Women--Switzerland--Zurich--Biography.