Columbia subject headings:
Censorship--Spain--History--20th century.
Rock music--Censorship--Spain--History--20th century.
Spain--History--1939-1975.
Harvard subject headings:
Censorship--Government policy--Spain--History--20th century.
Francoism.
Popular music--Censorship--Spain--History and criticism.
Popular music--Censorship--Spain--History--20th century.
Popular music--Political aspects--Spain--History--20th century.
Rock music--Censorship--Spain--History and criticism.
Sound recordings--Album covers--Censorship--Spain--20th century.
Sound recordings--Censorship--Spain--History and criticism.
Sound recordings--Censorship--Spain--History--20th century.
Princeton subject headings:
Censorship--Government policy--Spain--History--20th century.
Francoism.
Popular music--Censorship--Spain--History--20th century.
Popular music--Political aspects--Spain--20th century.
Sound recordings--Album covers--Censorship--Spain--20th century.
Sound recordings--Censorship--Spain--History--20th century.