Books, databases and websites
Culots de munitions - Atlas (Vols. I & II)
A detailed listing
of small-calibre cartridge headstamps (base markings) in French. This
publication is out of print but can still be found in some second-hand
bookstores. ISBN 9782854283518.
Cartwin
Probably
the most complete electronic reference guide to small-calibre
ammunition headstamps (markings) for researchers [commercial database].Conflict TracingA
chapter in the 2009 Small Arms Survey, written by James Bevan, which
provides a concise overview of weapon tracing, its uses and political
implications.
Jane's Infantry Weapons
A reference guide
to infantry weapons, including most major categories of small arms and
light weapons [available in book or online format].Modern firearms and ammunitionOne of the most useful, free online guides to modern small arms and light weapons with a high standard of technical accuracy.
Small Arms Survey - Weapons ID PortalProbably
the most detailed, dedicated weapons identification site with
cross-referenced data sheets on a range of small arms and light weapons.SIPRI database of major conventional weapons transfersThe most user-friendly online database of major conventional arms transfers produced by the Stockholm International Peace Research Institute.