Columbia subject headings:
Pérez Galdós, Benito, 1843-1920. Prohibido--Criticism, Textual.
Harvard subject headings:
Pérez Galdós, Benito, 1843-1920. Prohibido--Criticism, Textual.
Princeton subject headings:
Perez Galdós, Benito, 1843-1920. Prohibido.