Columbia subject headings:
Authors, German--20th century--Biography.
Borchardt, Rudolf, 1877-1945--Exhibitions.
German literature--20th century--History and criticism--Exhibitions.
Heymel, Alfred Walter, 1878-1914--Exhibitions.
Schröder, Rudolf Alexander, 1878-1962--Exhibitions.
Harvard subject headings:
Princeton subject headings:
Authors, German--20th century--Biography.
Borchardt, Rudolf, 1877-1945--Exhibitions.
German literature--20th century--History and criticism--Exhibitions.
Heymel, Alfred Walter, 1878-1914--Exhibitions.
Schröder, Rudolf Alexander, 1878-1962--Exhibitions.