Columbia subject headings:
Information storage and retrieval systems--Humanities--Congresses.
Information storage and retrieval systems--Social sciences--Congresses.
Harvard subject headings:
Humanities--Databases--Congresses.
Information storage and retrieval systems--Humanities--Congresses.
Information storage and retrieval systems--Social sciences--Congresses.
Social sciences--Databases--Congresses.
Princeton subject headings:
Information storage and retrieval systems--Humanities--Congresses.
Information storage and retrieval systems--Social sciences--Congresses.