Cited references in the essays which, although current at the time, now are dated. Agricola and the Conquest of the North (1987) by W. S. Hanson
Aldborough Roman Town (1995) by Colin Dobinson (English Heritage)
A Battle Lost: Romans & Caledonians at Mons Graupius (1990) by Gordon Maxwell
Book of Roman Britain (1995) by Martin Millett (English Heritage)
Boudica: The British Revolt Against Rome, AD 60 (1978) by Graham Webster
The Boudican Revolt Against Rome (1997) by Paul R. Sealey
Britannia: A History of Roman Britain (1987) by Sheppard Frere
The Brigantes (1988) by B. R. Hartley and R. Leon Fitts
Caerleon-Isca: The Roman Legionary Museum (1987) by Richard J. Brewer
Caerleon Roman Fortress (1994) by Jeremy K. Knight (Welsh Historic Monuments)
Caerwent Roman Town (1997) by Richard J. Brewer (Welsh Historic Monuments)
Caesar: The Conquest of Gaul (1982) translated by S. A. Handford (Penguin Classics)
Cassius Dio: The Roman Histories: The Reign of Augustus (1987) translated by Ian Scott-Kilvert (Penguin Classics)
The Catuvellauni (1985) by Keith Branigan
Celtic Art (1985) by I. M. Stead (British Museum)
Chronicle of the Roman Emperors (1995) by Chris Scarre
Dio's Roman History (1925) translated by Earnest Cary (Loeb Classical Library)
Discovering Roman Britain (1993) edited by David E. Johnston
The Earliest English Poems (1966) translated by Michael Alexander (Penguin Classics)
The End of Roman Britain (1996) by Michael E. Jones
The Ending of Roman Britain (1989) by A. S. Esmonde Cleary
The Fasti of Roman Britain (1981) by Anthony R. Birley
A Guide to the Roman Remains in Britain (1988) by Roger J. A. Wilson
Herodian (1969) translated by C. R. Whittaker (Loeb Classical Library)
A History of Wales (1995) by John Davies
In Search of the Dark Ages (1987) by Michael Wood
Life in Roman Britain (1981) by Anthony Birley
The Northern Frontiers of Roman Britain (1982) by David J. Breeze
The Oxford Illustrated History of Roman Britain (1993) by Peter Salway
The Rebellion of Boudicca (1962) by Donald R. Dudley and Graham Webster
Roman Britain (1997) by T. W. Potter (British Museum)
Roman Britain (1981) by Peter Salway
Roman Britain (1996) by John Watney (Pitkin Guides)
Roman Britain: A Sourcebook (1992) by S. Ireland
Roman Britain and the English Settlements (1937) by R. G. Collingwood and J. N. L. Myers
The Roman Emperors (1985) by Michael Grant
The Roman Empire (1992) by Colin Wells
The Romans in Scotland (1989) by Gordon S. Maxwell
Rome's North West Frontier: The Antonine Wall (1983) by William S. Hanson and Gordon S. Maxwell
Segontium Roman Fort (1995) by Jeffrey L. Davies (Welsh Historic Monuments)
Septimius Severus: The African Emperor (1971) by Anthony Birley
The Severans: The Changed Roman Empire (1996) by Michael Grant
Tacitus on Britain and Germany (1948) translated by H. Mattingly (Penguin Classics)
The Tain: Translated from the Irish Epic Tain Bo Cuailnge (1970) translated by Thomas Kinsella
The Trinovantes (1975) by Rosalind Dunnett
The Warrior Queens (1988) by Antonia Fraser