Ordnance Survey name book, no. 24 (London, 1974), 10.
2.
Ordnance Survey 6” maps, 1904; Object Name Book, no. 5 (1871), transcribed by JackHowel, 1966 (RCAHM-S); BloodN. K., Field Inspector, 7 Sept. 1966 (RCAHM-S); RCAHM-S list of standing stones with cup and ring marks, no. 68; ThomA., Megalithic sites in Britain (Oxford, 1967), 98 and 137 B 7/3 Dulnanbridge.
3.
PollockR., Discovery and excavation in Scotland, 1988, 15.
4.
FredColes, “Stone circles surveyed in the north-east of Scotland”, Proceedings of the Society of Antiquaries of Scotland, lxi (1907), 131–4.