The Roman walls of Le Mans.

von Butler, R.M
Veröffentlicht in The Journal of Roman Studies, 48.1958
1958.
Umfang/Format: 33-39, Abb. Taf.

[Review of:] Late Roman fortifications.

von Butler, R.M
Veröffentlicht in The Antiquaries Journal, 64.1984
1984.
Umfang/Format: 157-158.

The defences of the fourth-century fortress at York.

von Butler, R.M
Veröffentlicht in Soldier and civilian in Roman Yorkshire
Umfang/Format: 97-106.

The construction of urban defences.

von Butler, R.M
Veröffentlicht in Roman urban defences in the West. A review of current research on urban defences in the Roman empire with special reference to the northern provinces, based on papers presented to the conference on Roman urban defences held at the Museum of London on 21 - 23 March 1980
Umfang/Format: 125-129.

Soldier and civilian in Roman Yorkshire

Leicester : [s.n.], 1971.
Umfang/Format: 208 p., plates : ill. ; 25 cm.