Columbia subject headings:
Arts, Modern--Themes, motives--Congresses.
Literature--History and criticism--Congresses.
Space (Art)--Congresses.
Space in literature--Congresses.
Harvard subject headings:
Arts, Modern--Themes, motives--Congresses.
Literature--History and criticism--Congresses.
Space (Art)--Congresses.
Space in literature--Congresses.
Princeton subject headings:
Arts, Modern--Themes, motives--Congresses.
Literature--History and criticism--Congresses.
Space (Art)--Congresses.
Space in literature--Congresses.