Columbia subject headings:
Europe, Central--In literature--Congresses.
Europe, Eastern--In literature--Congresses.
Germans in literature--Congresses.
Germans--Europe, Central--History--Congresses.
Germans--Europe, Eastern--History--Congresses.
Harvard subject headings:
German literature--Europe, Central--History and criticism--Congresses.
German literature--Europe, Eastern--History and criticism--Congresses.
Germans--Europe, Central--History--Congresses.
Germans--Europe, Eastern--History--Congresses.
Slavic literature--20th century--History and criticism--Congresses.
Princeton subject headings:
Europe, Central--In literature--Congresses.
Europe, Eastern--In literature--Congresses.
Germans in literature--Congresses.
Germans--Europe, Central--History--Congresses.
Germans--Europe, Eastern--History--Congresses.