Piastra, Stefano. “Descriptions Of Italy In The Travel Book By The Icelandic Reverend Ólafur Egilsson (17° Century)”. Bollettino della Società Geografica Italiana (December 31, 2012): 861–878. Accessed October 11, 2026. https://bsgi.it/index.php/bsgi/article/view/7405.