Bibliografía (10 obras)
Understanding Roman Frontiers
2015
The army and frontiers of Rome
2009
Roman Fort in Scotland
2007
Scottish archaeology
1991
Elginhaugh
1988
Agricola and the conquest of the north
1987
Rome's north west frontier
1983
Roman Frontier Studies 1979 XII, Part Iii
1980
Roman Frontier Studies 1979 XII, Part I
Roman Frontier Studies 1979 XII, Part Ii
