Smith, J. A. (1874). Notice of a Silver Chain or Girdle, the Property of Thomas Simson, of Blainslie, Esq., Berwickshire; another, in the University of Aberdeen; and of other Ancient Scottish Silver chains. Proceedings of the Society of Antiquaries of Scotland, 10, 321–347. https://doi.org/10.9750/PSAS.010.321.347