Columbia subject headings:
Harvard subject headings:
Language and languages--Philosophy--Congresses
Oral communication--Philosophy--Congresses.
Oral communication--Psychological aspects--Congresses.
Oral communication--Social aspects--Congresses.
Psycholinguistics--Congresses.
Princeton subject headings:
Language and languages--Philosophy--Congresses.
Oral communication--Philosophy--Congresses.
Oral communication--Psychological aspects--Congresses.
Oral communication--Social aspects--Congresses.
Psycholinguistics--Congresses.