Iron Age promontory forts in the Northern Isles.

von Lamb, R. G.
BAR British series ; 79
Oxford : British Archaeological Reports, 1980.
Umfang/Format: 102 p. : ill. ; 30 cm.

Rousay, Egilsay and Wyre, Orkney Islands area

von Lamb, R. G.
Archaeological Sites and Monuments of Scotland ; 16
Edinburgh : The Royal Commission on the Ancient and Historic Monuments of Scotland, 1982.
Umfang/Format: 40 S. : 2 Karten ; 30 cm.