Columbia subject headings:
Alas, Leopoldo, 1852-1901--Criticism and interpretation.
Harvard subject headings:
Alas, Leopoldo, 1852-1901--Criticism and interpretation.
Spanish literature--19th century--History and criticism
Princeton subject headings:
Alas, Leopoldo, 1852-1901--Manuscripts--Facsimiles.
Alas, Leopoldo, 1852-1901--Political and social views.
Facsimiles.