Columbia subject headings:
Authors, German--20th century--Correspondence.
Schmidtbonn, Wilhelm August, 1876-1952--Correspondence.
Set designers--Germany--Biography.
Wunderwald, Gustav, 1882-1945.
Harvard subject headings:
Authors, German--20th century--Correspondence
Schmidtbonn, Wilhelm August, 1876-1952--Correspondence.
Schmidtbonn, Wilhelm August, 1876-1952.
Set designers--Germany--Biography.
Wunderwald, Gustav, 1882-1945.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Schmidtbonn, Wilhelm August, 1876-1952--Correspondence.
Set designers--Germany--Biography.
Wunderwald, Gustav, 1882-1945.