Columbia subject headings:
Arana Valle, Manuel.
Nicaragua--Social life and customs--20th century--Anecdotes.
Radio Mundial (Managua, Nicaragua)--History.
Radio broadcasting--Nicaragua--Biography.
Harvard subject headings:
Arana Valle, Manuel.
Nicaragua--Social life and customs--20th century--Anecdotes.
Radio broadcasting--Nicaragua--Biography.
Princeton subject headings:
Radio Mundial (Managua, Nicaragua)--History.
Radio broadcasting--Nicaragua--History--20th century.