Columbia subject headings:
Soviet Union--Politics and government--1985-1991.
Soviet Union--Social life and customs--1970-1991.
Harvard subject headings:
Soviet Union--Description and travel.
Princeton subject headings:
Perestroĭka--Humor.
Soviet Union--Politics and government--1985-1991--Humor.
Soviet Union--Social life and customs--1970-1991--Humor.