Curle, A. O. (1904) “Notes (1) on Three Carved Norman Capitals from Hobkirk, on Rulewater, Roxburghshire; (2) Description of the Remains of a Wayside Cross at Harwood in Hobkirk Parish”, Proceedings of the Society of Antiquaries of Scotland, 38, pp. 416–421. doi: 10.9750/PSAS.038.416.421.