Columbia subject headings:
Klepper, Jochen, 1903-1942.
Harvard subject headings:
Klepper, Jochen, 1903-1942--Criticism and interpretation.
Princeton subject headings:
Authors, German--Political activity.
Authors, German--Political and social views.
Klepper, Jochen, 1903-1942--Political and social views.
Klepper, Jochen, 1903-1942.