Columbia subject headings:
Harvard subject headings:
Contrastive linguistics--Congresses.
German language--Grammar, Comparative--Romance languages--Congresses.
Romance languages--Grammar, Comparative--Germanic--Congresses.
Princeton subject headings:
Contrastive linguistics--Congresses.
German language--Grammar, Comparative--Romance languages--Congresses.
Romance languages--Grammar, Comparative--German--Congresses.