Smith, John. 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 (November), 321-47. https://doi.org/10.9750/PSAS.010.321.347.