Columbia subject headings:
Proportion (Art)--19th century--Congresses.
Rhythm in literature--History--19th century--Congresses.
Rhythm--Psychological aspects--History--19th century--Congresses.
Harvard subject headings:
Arts, German--20th century--Themes, motives--Congresses.
Arts, Modern--20th century--Themes, motives--Congresses.
Musical meter and rhythm--Congresses.
Rhythm in literature--Congresses.
Rhythm--Congresses.
Rhythm--Psychological aspects--Congresses.
Princeton subject headings:
Proportion (Art)--19th century--Congresses.
Rhythm in literature--History--19th century--Congresses.
Rhythm--Psychological aspects--History--19th century--Congresses.