Laing, D. 1877. Notice of Two Original Documents, with Signatures Exhibited to the Meeting:- I. The National Covenant, November 1638; II. The Common or Godly Band, December 1557. Proceedings of the Society of Antiquaries of Scotland. 12, (Nov. 1877), 216–217. DOI:https://doi.org/10.9750/PSAS.012.216.217.