Columbia subject headings:
Peru--Defenses--Economic aspects--Statistics.
Peru--Defenses--Economic aspects.
Peru--Economic conditions--1918-1968.
Peru--Economic conditions--1968-
Peru--Military policy--Economic aspects.
Harvard subject headings:
Peru--Defenses--Economic aspects--Statistics.
Peru--Defenses--Economic aspects.
Peru--Economic conditions--1918-1968
Peru--Economic conditions--1968-
Peru--Military policy--Economic aspects.
Princeton subject headings:
Peru--Defenses--Economic aspects--Statistics.
Peru--Defenses--Economic aspects.
Peru--Economic conditions--1918-1968.
Peru--Economic conditions--1968-
Peru--Military policy--Economic aspects.