Columbia subject headings:
Detective and mystery stories, Spanish--History and criticism.
Politics and literature--Spain.
Spain--Politics and government--20th century.
Spanish fiction--20th century--History and criticism.
Harvard subject headings:
Detective and mystery stories, Spanish--History and criticism.
Politics and literature--Spain.
Spain--Politics and government--20th century.
Spanish fiction--20th century--History and criticism.
Princeton subject headings:
Detective and mystery stories, Spanish--Spain--History and criticism.
Politics and literature--Spain.
Spain--Politics and government--20th century.
Spanish fiction--20th century--History and criticism.