Citation(s) from the GunPolicy.org literature library
Parker, Sarah. 2011 ‘Balancing Act: Regulation of Civilian Firearm Possession.’ Small Arms Survey 2011: States of Security; Chapter 9, p. 273. Cambridge: Cambridge University Press. 6 July
Some states - such as Australia, Brazil, Canada, Estonia, South Africa, and Switzerland - require comprehensive records of all information relating to firearms, including details of licensed firearm owners, their firearms, every licence or authorization applied for, refused, and granted, and every firearm transaction or transfer, while other states only record limited information.