Columbia subject headings:
Harvard subject headings:
Editing--Congresses
Editions--Congresses.
German literature--Criticism, Textual--Congresses.
Music--Germany--History and criticism--Congresses.
Princeton subject headings:
Editing--Congresses.
Editions--Congresses.
German literature--Criticism, Textual--Congresses.
Music--Germany--History and criticism--Congresses.