Columbia subject headings:
Renn, Ludwig, 1889-1979--Criticism and interpretation.
World War, 1914-1918--Fiction.
World War, 1914-1918--Literature and the war.
Harvard subject headings:
Renn, Ludwig, 1889---Criticism and interpretation.
World War, 1914-1918--Fiction
World War, 1914-1918--Literature and the war
Princeton subject headings:
Fiction.
Hammer, Klaus, 1934-
Renn, Ludwig, 1889-1979--Criticism and interpretation.
World War, 1914-1918--Fiction.