Franks, Augustus W. 1873. “Notice of Permission Given at Paris to John Acheson to Make Dies With the Portrait of Mary Queen of Scots, 21st October 1553, and to Nicolas Emery to Make a Die for Jettons, With the Arms, &C., of the Queen of Scots, from a Register Preserved at Paris”. Proceedings of the Society of Antiquaries of Scotland 9 (November):506-7. https://doi.org/10.9750/PSAS.009.506.507.