Columbia subject headings:
Harvard subject headings:
Mass media--Philosophy--Congress.
Mass media--Philosophy--Congresses.
Modality (Linguistics)--Congress.
Modality (Linguistics)--Congresses.
Television commercials--Congress.
Television commercials--Congresses.
Princeton subject headings:
Mass media--Philosophy--Congresses.
Modality (Linguistics)--Congresses.
Television commercials--Congresses.