“Notice of the Discovery of Remains of the Elk (Cercus Alces, Linn., Alces Malchis, Gray), in Berwickshire; with Notes of its occurrence in the British Islands, more partiuclarly in Scotland, &c”, PSAS, vol. 9, pp. 297–345, Nov. 1872, doi: 10.9750/PSAS.009.297.345.