Columbia subject headings:
Arts, German--Themes, motives--Congresses.
Repetition (Aesthetics)--Congresses.
Repetition in literature--Congresses.
Repetition in motion pictures--Congresses.
Repetition in music--Congresses.
Harvard subject headings:
Arts, German--Themes, motives--Congresses.
Repetition (Aesthetics)--Congresses.
Repetition in literature--Congresses.
Repetition in motion pictures--Congresses.
Repetition in music--Congresses.
Princeton subject headings:
Arts, German--Themes, motives--Congresses.
Repetition (Aesthetics)--Congresses.
Repetition in literature--Congresses.
Repetition in motion pictures--Congresses.
Repetition in music--Congresses.