Columbia subject headings:
Harvard subject headings:
Kalmar, Annie, 1877-1901--Correspondence.
Kraus, Karl, 1874-1936--Correspondence.
Kraus, Karl, 1874-1936--Relations with women.
Princeton subject headings:
Kalmar, Annie, 1877-1901--Correspondence.
Kalmar, Annie, 1877-1901.
Kraus, Karl, 1874-1936--Correspondence.
Kraus, Karl, 1874-1936--Relations with women.
Personal correspondence.