Richard N. Ernest
- Ballistics consulting showing areas of expertise, notable cases, publication list and offering training seminars from Fort Worth, TX.
- http://outzonebbs.net/gunlab/home.shtml

Robinson's Forensic Firearms
- Ballistics and toolmark examiner, offering consultancy and expert testimony. Includes associations service areas, profile and contacts in Cheshire, Connecticut.
- http://www.robinsonforensics.com/

Forensic Consultant Firearms and Ballistics
- Contact details for consultant/expert witness, specializing in firearms, ballistics, stria comparisons, GSR interpretations. Offering training and accreditation from UK.
- http://www.bjheard.btinternet.co.uk

The History of Firearm and Toolmark Identification by James E. Hamby
- Famous firearm cases, early researchers, organizations, books, journals, and instruments.
- http://www.firearmsid.com/A_historyoffirearmsID.htm

Association of Firearm and Toolmark Examiners
- The Association of Firearm and Toolmark Examiners is the professional organization for those in the forensic ballistics field. This site contains news, information and links.
- http://www.afte.org/

Firearms Identification and Forensic Ballistics
- FirearmID.com contains information on firearms identification, including identification of bullets, cartridge cases, and other ammunition components as having been fired from a specific firearm. Also describes the responsibilities of an expert witness.
- http://www.firearmsid.com/