Columbia subject headings:
Authors, German--20th century--Correspondence.
Kisch, Egon Erwin, 1885-1948--Correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Kisch, Egon Erwin, 1885-1948--Correspondence.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Kisch, Egon Erwin, 1885-1948--Correspondence.