Columbia subject headings:
Computers--Law and legislation--United States--Congresses.
Information storage and retrieval systems--Law--United States--Congresses.
Legal research--United States--Data processing--Congresses.
Harvard subject headings:
Computers--Law and legislation--United States--Congresses.
Information storage and retrieval systems--Law--United States--Congresses.
Legal research--United States--Data processing--Congresses.
Princeton subject headings: