Smith, 1937, pp. 51–52. Smith, R. A. (1937). Jutish Ornaments From Kent. The British Museum Quarterly(англ.). 11 (#2) (2). The British Museum. doi:10.2307/4421928. JSTOR4421928.
Smith, 1998, pp. 85–103. Smith, R.J. (1998). Utz, Richard; Shippey, Tom (eds.). The Swanscombe Legend and the Historiography of Kentish Gavelkind. Medievalism in the Modern World. Essays in Honour of Leslie J. Workman(англ.). Turnhout: Brooks: 85—103. doi:10.1484/M.MMAGES-EB.4.000057. ISBN978-2-503-50166-6.
Smith, 1937, pp. 51–52. Smith, R. A. (1937). Jutish Ornaments From Kent. The British Museum Quarterly(англ.). 11 (#2) (2). The British Museum. doi:10.2307/4421928. JSTOR4421928.