Columbia subject headings:
Bulgaria--Civilization.
Bulgaria--Economic policy--1989-
Bulgaria--Ethnic relations.
Bulgaria--Foreign relations.
Bulgaria--Politics and government--1990-
Post-communism--Bulgaria.
Harvard subject headings:
Bulgaria--Civilization.
Bulgaria--Economic policy--1989-
Bulgaria--Ethnic relations.
Bulgaria--Foreign relations.
Bulgaria--Politics and government--1990-
Post-communism--Bulgaria
Princeton subject headings:
Bulgaria--Civilization.
Bulgaria--Economic policy--1989-
Bulgaria--Ethnic relations.
Bulgaria--Foreign relations.
Bulgaria--Politics and government--1990-
Post-communism--Bulgaria.