Ewart, G.; Baker, F.; CerĂ³n Carrasco, R.; Carter, S.; Cressey, M.; Crone, B. A.; Franklin, J.; Holmes, N. M. M.; Pelling, R.; MacQueen, B.; Murdoch, R.; Ruckley, N. A.; Skidmore, P.; Thoms, J.; Warsop, C. L. M. Carrick Castle: Symbol and Source of Campbell Power in South Argyll from the 14th to the 17th Century. PSAS 1999, 128, 937-1016.