Millar, Adam H. “Notices (1) of Ecclesiastical Music Discovered in the Burgh Charter-Room of Dundee, (2) of Two Stone Coffins Discovered at Invergowrie, (3) of a Curious Pewter Casket from Dundee”. Proceedings of the Society of Antiquaries of Scotland, vol. 22, Nov. 1888, pp. 164-71, doi:10.9750/PSAS.022.164.171.