Columbia subject headings:
United States--Economic conditions--1971-1981--Periodicals.
United States--Economic conditions--1981-2001--Periodicals.
United States--Economic conditions--2001-2009--Periodicals.
Harvard subject headings:
United States--Economic conditions--1971-1981--Periodicals.
United States--Economic conditions--1981-2001--Periodicals
United States--Economic conditions--2001-2009--Periodicals
Princeton subject headings:
Periodicals.
United States--Economic conditions--1971---Periodicals.