Columbia subject headings:
Harvard subject headings:
Karl-Marx-Universität Leipzig--History--Congresses.
Universities and colleges--Europe--History--Congresses.
Universities and colleges--Germany--Leipzig--History--Congresses.
Universität Leipzig (1409-1953)--History--Congresses.
Universität Leipzig (1991- )--History--Congresses.
Universität Leipzig--History--Congresses.
Princeton subject headings:
Universität Leipzig--History--Congresses.
Universities and colleges--Europe--History--Congresses.
Universities and colleges--Germany--Leipzig--History--Congresses.