Columbia subject headings:
Experimental theater--Switzerland--Lausanne--History--20th century.
Improvisation (Acting)
Knapp, Alain--Criticism and interpretation.
Harvard subject headings:
Experimental theater--Switzerland--Lausanne--History--20th century.
Improvisation (Acting)
Knapp, Alain--Criticism and interpretation.
Théâtre-Création (Lausanne, Switzerland)--History.
Princeton subject headings: