Columbia subject headings:
Soviet Union--Politics and government--1985-1991--Congresses.
Soviet Union. Sʺezd Narodnykh Deputatov--Periodicals.
Harvard subject headings:
Soviet Union--Politics and government--1985-1991--Congresses.
Soviet Union. Sʺezd Narodnykh Deputatov--Periodicals.
Princeton subject headings:
Soviet Union--Politics and government--1985-1991--Congresses.
Soviet Union. Sʺezd Narodnykh Deputatov--Periodicals.