Columbia subject headings:
Harvard subject headings:
Courtship--Germany--History.
Schott, Käthe, 1862-1926--Correspondence.
Schott, Käthe, 1862-1926.
Schott, Otto, 1851-1935
Schott, Otto, 1851-1935--Correspondence.
Princeton subject headings:
Courtship--Germany--History.
Schott, Käthe, 1862-1926--Correspondence.
Schott, Käthe, 1862-1926.
Schott, Otto, 1851-1935--Correspondence.
Schott, Otto, 1851-1935.