Columbia subject headings:
Romance languages--Grammar--Congresses.
Slavic languages--Grammar--Congresses.
Typology (Linguistics)--Congresses.
Harvard subject headings:
Romance languages--Grammar--Congresses.
Slavic languages--Grammar--Congresses.
Typology (Linguistics)--Congresses.
Princeton subject headings:
Comparative linguistics--Congresses.
Romance languages--Syntax--Congresses.
Slavic languages--Syntax--Congresses.