Columbia subject headings:
Classical languages--Study and teaching--Congresses.
Greek language--Study and teaching--Congresses.
Latin language--Study and teaching--Congresses.
Harvard subject headings:
Classical languages--Study and teaching--Congresses.
Classical languages--Textbooks--Congresses.
Princeton subject headings:
Classical languages--Study and teaching--Congresses.
Greek language--Study and teaching--Congresses.
Latin language--Study and teaching--Congresses.