"OS Map of Raddon Hills". Saturday Walkers' Club London & South East England. Retrieved 10 December 2016.
wikidata.org
Tim Gent; Henrietta Quinnell (1999). "Excavations of a causewayed enclosure and hillfort on Raddon Hill, Stockleigh Pomeroy". Proceedings of the Devon Archaeological Society. 57: 1–76. ISSN0305-5795. WikidataQ60241033.
worldcat.org
search.worldcat.org
Tim Gent; Henrietta Quinnell (1999). "Excavations of a causewayed enclosure and hillfort on Raddon Hill, Stockleigh Pomeroy". Proceedings of the Devon Archaeological Society. 57: 1–76. ISSN0305-5795. WikidataQ60241033.