Columbia subject headings:
Harvard subject headings:
Grammar, Comparative and general--Interrogative--Congresses.
Language and languages--Variation--History--Congresses.
Pragmatics--History--Congresses.
Quotation--Congresses.
Sociolinguistics--Congresses.
Speech acts (Linguistics)--Congresses.
Princeton subject headings:
Grammar, Comparative and general--Interrogative.
Language and languages--Variation--History.
Pragmatics--History.
Quotation.
Sociolinguists.
Speech acts (Linguistics)