Columbia subject headings:
Latin America--History--20th century--Periodicals.
Oral history--Periodicals.
Spain--History--20th century--Periodicals.
Harvard subject headings:
Latin America--History--20th century--Periodicals.
Oral history--Periodicals
Spain--History--20th century--Periodicals.
Princeton subject headings:
Latin America--History--20th century--Periodicals.
Oral history--Periodicals.
Periodicals.
Spain--History--20th century--Periodicals.