Columbia subject headings:
Slavic drama--20th century--History and criticism.
Theater--Slavic countries.
Harvard subject headings:
Slavic drama, Southern--20th century--History and criticism.
Slavic drama, Southern--Appreciation--Czechoslovakia.
Slavic drama--20th century--History and criticism.
Theater--Slavic countries--History--20th century.
Theater--Slavic countries.
Princeton subject headings:
Theater--Czechoslovakia--History--20th century.