Columbia subject headings:
Gross national product--Soviet Union--Congresses.
Gross national product--Soviet Union--Statistics--Congresses.
National income--Soviet Union--Accounting--Congresses.
Harvard subject headings:
Gross national product--Soviet Union--Congresses.
Gross national product--Soviet Union--Statistics--Congresses.
National income--Soviet Union--Accounting--Congresses.
Princeton subject headings:
Gross national product--Soviet Union--Congresses.
Gross national product--Soviet Union--Statistics--Congresses.
National income--Soviet Union--Accounting--Congresses.