Anderson, J. Notice of a Small Figure in Jet of St James the Greater, Recently Presented to the Museum by James Gibson Craig, Esq., FSA Scot.: and Probably a Signaculum Worn by a Leprous Pilgrim to St Jago Di Compostella; With Notes on ’Pilgrims’ Signs’ of the Middle Ages, and a Stone Mould for Casting Leaden Tokens, Found at Dundrennan Abbey. PSAS 1875, 11, 62-80.