Columbia subject headings:
Arms control--Verification--Congresses.
Chemical weapons--Congresses.
Nuclear arms control--Verification--Congresses.
Harvard subject headings:
Arms control--Verification--Congresses.
Chemical arms control--Verification--Congresses.
Chemical weapons--Congresses.
Nuclear arms control--Verification--Congresses.
Princeton subject headings:
Arms control--Verification--Congresses.
Chemical arms control--Verification--Congresses.
Chemical weapons--Congresses.
Nuclear arms control--Verification--Congresses.