Columbia subject headings:
Harvard subject headings:
Authors, German--19th century--Biography
Authors, German--20th century--Biography
German literature--19th century--History and criticism
German literature--20th century--History and criticism
Kruse, Iven, 1865-1926.
Princeton subject headings:
Authors, German--19th century--Biography.
Authors, German--20th century--Biography.
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.
Kruse, Iven, 1865-1926.