Columbia subject headings:
Love in literature--Congresses.
Tragedy--History and criticism--Congresses.
Tragic, The, in literature--Congresses.
Harvard subject headings:
Courtly love in literature--Congresses.
German literature--Middle High German, 1050-1500--History and criticism--Congresses
Romances, German--History and criticism--Congresses.
Tragic, The, in literature--Congresses.
Princeton subject headings:
Love in literature--Congresses.
Tragedy--History and criticism--Congresses.
Tragic, The, in literature--Congresses.