The following is a summary of the works that have furnished me with information about the period in general, the Imperial Roman military, and its campaigns. I have also included more general works on wargaming.
Rome and Roman military history
Beard, M
SPQR: A history of ancient Rome
Profile Books, 2016
Bishop, MC and Coulston, JCN
Roman Military Equipment from the Punic Wars to the fall of Rome
Oxbow Books, 2011
Breeze, David J
The Frontiers of Imperial Rome
Pen and Sword, 2011
Cowan, Ross
Roman Legionary 58BC–AD69
Osprey Publishing Limited, 2003
Cowan, Ross
The Roman Army of the Principate 27BC–AD117
Osprey Publishing Limited, 2009
D’Amato, Raffaele
Roman Amy Units in the Eastern Provences (1)
Osprey Publishing Limited, 2017
Davies, RW
Cohors I Numidarum and a Roman military document from Egypt
Aegyptus 57 1/4 December 1977 151–159
Fields, Nic
Roman Military Clothing (1) 100BC–AD200
Osprey Publishing Limited, 2007
Kelly, Christopher
The Roman Empire: a very short introduction
Oxford, 2006
Matyszak, Philip
Legionary. The Roman Soldier’s Manual
Thames and Hudson, 2009
McNab, Chris (editor)
The Roman Army: the greatest war machine of the ancient world
Osprey, 2010
Parker, Philip
The Empire Stops Here: A journey along the frontiers of the Roman World
Jonathan Cape, 2009
Pollard, Nigel and Berry, Joanne
The Complete Roman Legions
Thames and Hudson, 2012
Sumner, Graham
Roman Military Clothing (1) 100BC–AD200
Osprey Publishing Limited, 2007
Sumner, Graham
Roman Military Dress
The History Press, 2009
Wargaming
Featherstone, Donald
Featherstone’s Complete Wargaming
David and Charles, 1988
Featherstone, Donald
Solo Wargaming
Kaye & Ward, 1973
Priestly, Rick
Hail Ceaser
Warlord Games, 2011
Film and television
The Horsemen of Hadrian’s Wall
Digging for Britain, Series 6, episode 4
BBC Four, 2017
Masada
Universal, 1981
Ulitimate Rome: Empire without limits
BBC Two, 2016