Columbia subject headings:
Harvard subject headings:
Austro-Hungarian Monarchy. Heer--Correspondence.
Authors, Austrian--20th century--Correspondence
Spirk, Gertrud, 1885-1967--Correspondence.
Werfel, Franz, 1890-1945--Correspondence.
Princeton subject headings:
Austro-Hungarian Monarchy. Heer--Correspondence.
Authors, Austrian--20th century--Correspondence.
Spirk, Gertrud, 1885-1967--Correspondence.
Werfel, Franz, 1890-1945--Correspondence.