Columbus sees a Sea Monster (sources)
- PRIMARY SOURCE: Historie del S. D. Fernando Colombo - nelle quali s'ha particolare, & vera relatione della vita, & de' fatti dell' Ammiraglio D. Christoforo Colombo, by Fernando Colon & Alfonso Ulloa, 1571 edition, Venice, Italy. Pg. 119. Online [Italian]: https://archive.org/stream/historiedelsdfer00coln#page/n283/mode/2up
- PRIMARY SOURCE: The Life of the Admiral Christopher Columbus, by his Son Ferdinand, translated by Benjamin Keen, 1959 Rutgers University Press, New Jersey, USA. English translation of Historie del S. D. Fernando Colombo - nelle quali s'ha particolare, & vera relatione della vita, & de' fatti dell' Ammiraglio D. Christoforo Colombo, originally published 1571. Pgs. 122, 145.
- "Christopher Columbus," page in the Wikipedia website, viewed 10-14-2023. Online: https://en.wikipedia.org/wiki/Christopher_Columbus
- "Ferdinand Columbus," page in the Wikipedia website, viewed 7-22-2017. Online: https://en.wikipedia.org/wiki/Ferdinand_Columbus
- "Fernando Columbus," page in the Academic website, viewed 7-22-2023. Online: https://en-academic.com/dic.nsf/enwiki/2360550
- "Review: The Life of the Admiral Christopher Columbus by his Son Ferdinand," by Lynn W. Turner, article in the Indiana: Magazine of History, vol. 45, issue 4, 1959, viewed 7-26-2017. Pgs. 404-405. Online: https://scholarworks.iu.edu/journals/index.php/imh/article/view/7918/9549