Columbia subject headings:
Harvard subject headings:
Arlt, Roberto, 1900-1942--Mental health.
Princeton subject headings:
Arlt, Roberto, 1900-1942--Criticism and interpretation.
Arlt, Roberto, 1900-1942--Knowledge--Occult sciences.
Arlt, Roberto, 1900-1942--Political and social views.
Astrology in literature.
Politics in literature.