Columbia subject headings:
Egypt--Economic conditions--1952-
Egypt--Social conditions--1952-1970.
Income distribution--Egypt.
Social classes--Egypt.
Harvard subject headings:
Egypt--Economic conditions--1981-
Egypt--Economic policy.
Egypt--Social conditions--1981-
Income distribution--Egypt.
Social classes--Egypt.
Princeton subject headings:
Affiliation (Psychology)
Egypt--Economic conditions--1952-
Egypt--Politics and government--1981-2011.
Egypt--Social conditions--1981-