Columbia subject headings:
Arms transfers.
Defense industries.
Firearms industry and trade.
Harvard subject headings:
Arms control--Congresses
Firearms industry and trade--Congresses.
Security, International--Congresses
Weapons industry--Congresses.
Princeton subject headings:
Arms control--Congresses.
Firearms industry and trade--Congresses.
Security, International--Congresses.
Weapons industry--Congresses.