On the shoulders of giants
There are a number of important texts on Roman military equipment that pre-date our study. In many ways they are now out-of-date, but in others they are timeless and well worth the time spent studying them.
NB At least one of the following may require the use of a VPN for those not resident in the USA
Couissin, P. 1926. Les armes romaines: essai sur les origines et l’évolution des armes individuelles du légionnaire romain, Paris: Librairie Ancienne [public domain]
Groller, M. von 1900. Römische Waffen aus dem Lager von Carnuntum, Wien: Rohrer [public domain but only downloadable in the USA]
Lips, I. 1602. De militia Romana libri qvinqve: commentarivs ad Polybivm, Antwerp: Plantin [public domain]
Lindenschmit, L. 1882. Tracht und Bewaffnung des römischen Heeres während der Kaiserzeit, Braunschweig: Vieweg [public domain]
More about military equipment
The Journal of Roman Military Equipment Studies
The Association for Roman Military Equipment Studies
Buy the book
Buy Roman Military Equipment on Hive (UK)
Buy Roman Military Equipment from Oxbow Books (UK)
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Buy Equipamiento militar romano from Desperta Ferro
Buy Equipamiento militar romano on Amazon (UK)
Buy Roman Military Equipment ebook on Amazon (UK)