Columbia subject headings:
Harvard subject headings:
Classical literature--History and criticism--Congresses
Comparative literature--Classical and modern--Congresses.
Comparative literature--Modern and classical--Congresses.
Detective and mystery stories--History and criticism--Congresses.
Princeton subject headings:
Classical literature--History and criticism--Congresses.
Comparative literature--Classical and modern--Congresses.
Comparative literature--Modern and classical--Congresses.
Detective and mystery stories--History and criticism--Congresses.