Columbia subject headings:
German prose literature--20th century--History and criticism.
Letter writing, German.
Harvard subject headings:
German prose literature--20th century--History and criticism.
Letter-writing, German.
Princeton subject headings:
Freud, Sigmund, 1856-1939.
German letters--History and criticism.
Kafka, Franz, 1883-1924.
Kraus, Karl, 1874-1936.
Letter writing, German.