Columbia subject headings:
Davis, Peter, 1937---Travel--Nicaragua.
Nicaragua--Foreign relations--United States.
Nicaragua--Politics and government--1979-1990.
United States--Foreign relations--Nicaragua.
Harvard subject headings:
Davis, Peter, 1937---Journeys--Nicaragua.
Davis, Peter, 1937---Travel--Nicaragua.
Nicaragua--Foreign relations--United States.
Nicaragua--Politics and government--1979-1990.
United States--Foreign relations--Nicaragua.
Princeton subject headings:
Davis, Peter, 1937---Travel--Nicaragua.
Nicaragua--Foreign relations--United States.
Nicaragua--Politics and government--1979-1990.
United States--Foreign relations--Nicaragua.