Columbia subject headings:
Authors, German--20th century--Correspondence.
Gundolf, Friedrich, 1880-1931--Correspondence.
Wives--Germany--Correspondence.
Wolfskehl, Hanna.
Wolfskehl, Karl, 1869-1948--Correspondence.
Harvard subject headings:
Princeton subject headings:
Authors' spouses--Germany--Correspondence.
Authors, German--20th century--Correspondence.
Gundolf, Friedrich, 1880-1931--Correspondence.
Wolfskehl, Hanna--Correspondence.
Wolfskehl, Karl, 1869-1948--Correspondence.