Columbia subject headings:
Harvard subject headings:
Civil rights--Congresses
Data protection--Law and legislation--Congresses.
Electronic surveillance--Congresses
National security--Congresses
Privacy, Right of--Congresses
Terrorism--Prevention--Congresses
Princeton subject headings:
Civil rights--Congresses.
Data protection--Law and legislation--Congresses.
Electronic surveillance--Congresses.
National security--Congresses.
Privacy, Right of--Congresses.
Terrorism--Prevention--Congresses.