Columbia subject headings:
Harvard subject headings:
Nicaragua--Foreign relations--United States.
Nicaragua--History--Revolution, 1926-1929.
Sandino, Augusto César, 1895-1934.
United States--Foreign relations--Nicaragua.
Princeton subject headings:
Nicaragua--Foreign relations--United States.
Nicaragua--History--Revolution, 1926-1929.
Sandino, Augusto César, 1895-1934.
United States--Foreign relations--Nicaragua.