Columbia subject headings:
Märten, Lu--Aesthetics.
Märten, Lu--Political and social views.
Harvard subject headings:
Märten, Lu--Aesthetics.
Märten, Lu--Political and social views.
Princeton subject headings:
Art criticism--Germany--History--20th century.
Criticism--Germany--History--20th century.
Märten, Lu--Bibliography.
Märten, Lu.