Columbia subject headings:
Underground areas in art.
Harvard subject headings:
Aesthetics, European--Congresses.
Europe, Central--Intellectual life--Congresses.
Europe, Eastern--History--Congresses.
Underground areas in art--Congresses.
Underground areas in literature--Congresses.
Underground movements in art--Congresses.
Underground movements in art--Europe, Central--Congresses.
Underground movements in literature--Congresses.
Underground movements in literature--Europe, Central--Congresses.
Princeton subject headings: