Columbia subject headings:
Greek language--Grammar, Comparative--Latin--Congresses.
Greek language--Interrogative--Congresses.
Greek language--Pronoun--Congresses.
Latin language--Grammar, Comparative--Greek--Congresses.
Latin language--Interrogative--Congresses.
Latin language--Pronoun--Congresses.
Harvard subject headings:
Greek language--Grammar, Comparative--Latin--Congresses.
Greek language--Interrogative--Congresses.
Greek language--Pronoun--Congresses.
Latin language--Grammar, Comparative--Greek--Congresses.
Latin language--Interrogative--Congresses.
Latin language--Pronoun--Congresses.
Princeton subject headings:
Greek language--Grammar, Comparative--Latin--Congresses.
Greek language--Morphemics--Congresses.
Latin language--Grammar, Comparative--Greek--Congresses.
Latin language--Morphemics--Congresses.