Columbia subject headings:
Albania--Economic conditions--Periodicals.
Albania--Politics and government--1990---Periodicals.
Bulgaria--Economic conditions--1989---Periodicals.
Bulgaria--Politics and government--1990---Periodicals.
Harvard subject headings:
Albania--Economic conditions--Periodicals.
Albania--Politics and government--1990---Periodicals.
Bulgaria--Economic conditions--1989---Periodicals.
Bulgaria--Politics and government--1990---Periodicals.
Princeton subject headings:
Albania--Economic conditions--Periodicals.
Bulgaria--Economic conditions--1989---Periodicals.