Columbia subject headings:
Akademie der Pädagogischen Wissenschaften der DDR--History.
Education and state--Germany (East)--History.
Education--Research--Germany (East)--History.
Harvard subject headings:
Akademie der Pädagogischen Wissenschaften der DDR--History.
Education and state--Germany (East)
Princeton subject headings:
Akademie der Pädagogischen Wissenschaften der DDR--History.
Education and state--Germany (East)--History.
Education--Research--Germany (East)--History.