Columbia subject headings:
Intellectual cooperation.
Poland--Relations--Soviet Union--History.
Poland--Relations--Ukraine--History.
Soviet Union--Relations--Poland--History.
Ukraine--Relations--Poland--History.
Harvard subject headings:
Education--Poland
Education--Ukraine
Poland--Relations--Ukraine
Ukraine--Relations--Poland.
Princeton subject headings:
Intellectual cooperation.
Poland--Relations--Soviet Union--History.
Poland--Relations--Ukraine--History.
Soviet Union--Relations--Poland--History.
Ukraine--Relations--Poland--History.