“Notice of (1) A Seventeenth-Century Sun-dial from Wigtownshire; and (2) a Stele, discovered in Galatia, Asia Minor, decorated with a design resembling the Mirror and Comb Symbols found in Scotland”, PSAS, vol. 44, pp. 169–185, Nov. 1910, doi: 10.9750/PSAS.044.169.185.