Roman Army Units

Osprey Publishing

Roman Army Units in the Western Provinces (3): 4th–5th Centuries AD

Osprey Publishing

Roman Army Units in the Eastern Provinces (2): 3rd Century AD

Osprey Publishing

Roman Army Units in the Eastern Provinces (1): 31 BC–AD 195

Bloomsbury

Roman Army Units in the Western Provinces (2): 3rd Century AD

Osprey Publishing

Roman Army Units in the Western Provinces (1): 31 BC–AD 195

Pen & Sword

The Roman Auxiliary Units of Britain            

Key Pub Group

Imperial Roman Army: 30 Bc-ad 180                

Osprey Publishing

The Roman Army from Hadrian to Constantine (Men-at-Arms Book 93) (English Edition)

Unit Sizes in the Late Roman Army (British Archaeological Reports International Series) by Terence Coello (1996-06-30)

British Archaeological Reports

Cohors: The evidence for and a short history of the auxiliary infantry units of the Imperial Roman Army: 2