Columbia subject headings:
Journalism--Spain--History--20th century.
Press and politics--Spain--History--20th century.
Spain--Politics and government--20th century.
Spanish periodicals--History--20th century.
Harvard subject headings:
Journalism--Spain--History--20th century.
Press and politics--Spain--History--20th century
Spain--Politics and government--20th century.
Spanish periodicals--History--20th century.
Princeton subject headings:
Journalism--Spain--History--20th century.
Press and politics--Spain--History--20th century.
Spain--Politics and government--20th century.
Spanish periodicals--History--20th century.