Columbia subject headings:
Harvard subject headings:
Education--Soviet Union--Congresses
Educators--Soviet Union--Congresses.
Makarenko, Anton Semenovich, 1888-1939
Makarenko, Anton Semenovich, 1888-1939--Congresses.
Princeton subject headings:
Education--Soviet Union--Congresses.
Educators--Soviet Union--Congresses.
Makarenko, Anton Semenovich, 1888-1939--Congresses.