Columbia subject headings:
Quality of life--Soviet Union--Congresses.
Soviet Union--Social conditions--1970-1991--Congresses.
Harvard subject headings:
Quality of life--Soviet Union--Congresses.
Soviet Union--Social conditions--1970-1991--Congresses.
Princeton subject headings:
Quality of life--Soviet Union--Congresses.
Soviet Union--Social conditions--1970-1991--Congresses.