Columbia subject headings:
Harvard subject headings:
Articulation disorders--Philosophy--Congresses.
Expression (Philosophy)--Congresses.
Expression in art--Philosophy--Congresses.
Expression in literature--Philosophy--Congresses.
Grammar, Comparative and general--Deixis--Congresses.
Grammar, Comparative and general--Morphology--Congresses.
Morphemics--Philosophy--Congresses.
Princeton subject headings:
Communication--Congresses.
Language and culture--Congresses.
Language and languages--Philosophy--Congresses.