Columbia subject headings:
Dramatists, German--20th century--Correspondence.
Hauptmann, Gerhart, 1862-1946--Correspondence.
Hofmann, Ludwig von, 1861-1945.
Painters--Germany--Correspondence.
Harvard subject headings:
Dramatists, German--20th century--Correspondence.
Hauptmann, Gerhart, 1862-1946--Correspondence.
Hofmann, Ludwig von, 1861-
Painters--Germany--Correspondence.
Princeton subject headings:
Dramatists, German--20th century--Correspondence.
Hauptmann, Gerhart, 1862-1946--Correspondence.
Hofmann, Ludwig von, 1861-
Painters--Germany--Correspondence.