“Notes (1) on a set of Shuffle-board Counters with Portraits of Kings and Heraldic Devices, about 1640; (2) on a Silver Badge of the Conservator of Scottish Privileges in the Netherlands - exhibited by Sir Robert Fraser Turing, Bart”, PSAS, vol. 25, pp. 397–402, Nov. 1891, doi: 10.9750/PSAS.025.397.402.