Columbia subject headings:
Harvard subject headings:
Drama--History and criticism
Princeton subject headings:
Chekhov, Anton Pavlovich, 1860-1904.
Drama--History and criticism.
Dramatists--Biography.
Gómez de Avellaneda, Gertrudis, 1814-1873.
Molière, 1622-1673.
O'Neill, Eugene, 1888-1953.
Piñera, Virgilio, 1912-1979.
Valle-Inclán, Ramón del, 1866-1936.