Columbia subject headings:
Chekhov, Anton Pavlovich, 1860-1904--Criticism and interpretation--Congresses.
Harvard subject headings:
Chekhov, Anton Pavlovich, 1860-1904--Criticism and interpretation--Congresses.
Princeton subject headings:
Chekhov, Anton Pavlovich, 1860-1904--Criticism and interpretation--Congresses.