Columbia subject headings:
Martínez Sierra, María, 1874-1974--Criticism and interpretation--Congresses.
Women dramatists, Spanish--20th century--Congresses.
Harvard subject headings:
Martínez Sierra, María, 1874-1974--Congresses.
Martínez Sierra, María, 1874-1974--Political and social views--Congresses.
Women--Spain--19th century--Congresses.
Princeton subject headings:
Martínez Sierra, María, 1874-1974--Political and social views--Congresses.