Columbia subject headings:
Economic history--1971-1990--Periodicals.
Economic history--1990---Periodicals.
Economic policy--Periodicals.
Environmental policy--Periodicals.
Population policy--Periodicals.
Harvard subject headings:
Ecology--Research--Statistics--Periodicals.
Economic history--1971-1990--Periodicals
Economic history--1990---Periodicals
Economic policy--Periodicals
Environmental policy--Periodicals
Population policy--Periodicals.
Serial publications
Sustainability--Research--Statistics--Periodicals.
Princeton subject headings:
Economic policy--Periodicals.
Environmental policy--Periodicals.
Periodicals.
Population policy--Periodicals.