Ictis Insula (St Michael's Mount). Roman Britain [online]. [cit. 2021-11-07]. Dostupné online. (anglicky)
worldcat.org
HERRING, Peter. St Michael's Mount, Cornwall : reports on archaeological works, 1995-1998 : including watching briefs on a foul water sewer trench and a land drain, surveys at the summit and on the lower slopes, and archaeological trenching at the summit. Truro: Cornwall Archaeological Unit 207 s. Dostupné online. ISBN1-898166-49-8, ISBN978-1-898166-49-8. OCLC48804543