Columbia subject headings:
Socialism--Europe, Central.
Socialism--Europe, Eastern.
Socialist parties--Europe, Central.
Socialist parties--Europe, Eastern.
Harvard subject headings:
Europe, Central--Politics and government--1989-
Political parties--Europe, Central.
Socialism--Europe, Central.
Socialism--Europe, Eastern
Socialist parties--Europe, Central.
Socialist parties--Europe, Eastern.
Socialists--Europe, Central.
Princeton subject headings: