Columbia subject headings:
Leipzig (Germany)--Intellectual life.
Harvard subject headings:
Karl-Marx-Universität Leipzig--History--Congresses.
Knowledge, Theory of--Congresses
Philosophy, Marxist--Congresses.
Philosophy, Modern--20th century--Congresses.
Universität Leipzig (1409-1953)--History--Congresses.
Universität Leipzig (1991- )--History--Congresses.
Wittich, Dieter, 1930---Congresses.
Princeton subject headings:
Knowledge, Theory of--Germany--Leipzig.
Leipzig (Germany)--Intellectual life--20th century.