1. INTERPOL (International Criminal Police Organization), Firearms operations and events,〈〉https://www.interpol.int/Crimes/Firearms-trafficking/Firearms-operations-and-events, n.d. (accessed 20 December 2020).
2. UNODC (United Nations Office on Drugs and Crime), Global Study on Firearms Trafficking 2020, 2020, p.128. 〈https://www.unodc.org/unodc/en/firearms-protocol/firearms-study.html〉.
3. Connecticut Historical Society, Gilman Family Papers: A Guide to the Gilman Family Papers at the Connecticut Historical Society, n.d. 〈https://chs.org/finding_aides/finding_aids/gilmf1787_pdf.pdf〉.
4. Across Conflict Zones: Ammunition Profiling;Florquin,2014
5. The Identification of Firearms and Forensics Ballistics;Burrard,1934