Johnson, J.S. (1970). "The Date of the Construction of the Saxon Shore Fort at Richborough". Britannia. 1. Society for the Promotion of Roman Studies: 240–248. doi:10.2307/525843. JSTOR525843.
Brown, P.D.C (1971). "The Church at Richborough". Britannia. 2. Society for the Promotion of Roman Studies: 225–231. doi:10.2307/525812. JSTOR525812.
Johnson, J.S. (1970). "The Date of the Construction of the Saxon Shore Fort at Richborough". Britannia. 1. Society for the Promotion of Roman Studies: 240–248. doi:10.2307/525843. JSTOR525843.
Brown, P.D.C (1971). "The Church at Richborough". Britannia. 2. Society for the Promotion of Roman Studies: 225–231. doi:10.2307/525812. JSTOR525812.
Stillwell, Richard; William Lloyd MacDonald; Marian Holland McAllister (1976). The Princeton Encyclopedia of Classical Sites. Princeton University Press. p. 778. Retrieved 10 May 2007.