The making of early England.

von Kirby, D. P.
London : Batsford, 1967.
Umfang/Format: 320 S. : Abb. ; 23 cm.

Saint Wilfrid at Hexham.

Newcastle : Oriel Press, 1974.
Umfang/Format: 195 S. : Abb., 31 Taf. ; 24 cm.

Cardiganshire county history : 1. From the earliest times to the coming of the Normans.

Cardiff : University of Wales Press, 1994.
Umfang/Format: 441 S. : Abb. Taf. ; 28 cm.