Gray, J.M. 1892. Notes on Examples of Old Heraldic and other Glass, existing in, or having connection with, Scotland; with especial reference to the Heraldic Rondel preserved at Woodhouselee. Proceedings of the Society of Antiquaries of Scotland. 26, (Nov. 1892), 34–48. DOI:https://doi.org/10.9750/PSAS.026.34.48.