Columbia subject headings:
Erotic literature, Spanish--History and criticism.
Lesbianism in literature.
Sonrisa vertical.
Spanish literature--20th century--History and criticism.
Harvard subject headings:
Erotic literature, Spanish--History and criticism.
Lesbianism in literature.
Sonrisa vertical.
Spanish literature--20th century--History and criticism
Princeton subject headings:
Erotic literature, Spanish--History and criticism.
Lesbianism in literature.
Sonrisa vertical.
Spanish literature--20th century--History and criticism.