Columbia subject headings:
Communism--Study and teaching.
Dialectical materialism--Study and teaching.
Economics--Study and teaching.
Harvard subject headings:
Communism--Soviet Union--Study and teaching
Dialectical materialism--Study and teaching--Soviet Union.
Economics--Study and teaching--Soviet Union.
Princeton subject headings:
Communism--Study and teaching.
Dialectical materialism--Study and teaching.
Economics--Study and teaching.