Columbia subject headings:
Harvard subject headings:
European drama--20th century--History and criticism.
European drama--21st century--History and criticism.
Experimental theater--Europe--History--20th century.
Experimental theater--Europe--History--21st century.
Performance art--Europe--History--20th century.
Performance art--Europe--History--21st century.
Theater--Europe--History--20th century.
Theater--Europe--History--21st century.
Princeton subject headings:
European drama--20th century--History and criticism.
European drama--21st century--History and criticism.
Experimental theater--Europe--History--20th century.
Experimental theater--Europe--History--21st century.
Performance art--Europe--History--20th century.
Performance art--Europe--History--21st century.
Theater--Europe--History--20th century.
Theater--Europe--History--21st century.