Medium (2019年3月25日). 2020年3月16日閲覧。 ^ D. Abulafia, "Thalassocracies", in P. Horden – S. Kinoshita (eds.), A Companion to Mediterranean History, Oxford, 2014
K. Bennison and Alison L. Gascoigne, 161-76 (London: Routledge, 2007) ^ Horden, Peregrine. "Ritual and Public Health in the Early Medieval City". In Body
ISBN 978-1-850-65706-4. https://books.google.com/books?id=231XALxmFFsC&lpg=PP1&pg=PA165#v Horden, Peregrine; Purcell, Nicholas (2000). The corrupting sea: a study of Mediterranean