Sources for Episode Thirty Nine of First Years

“Ancient Greek Mermaids.” Mermaids, home.sandiego.edu/~imhoffc/. 

Harris, Karen. “The Origins Of Mermaids: Greek Mythology, Ghosts, And Christopher Columbus.” History Daily, 9 Jan. 2020, historydaily.org/origins-mermaids-greek-mythology-ghosts-christopher-columbus. 

Radford, Benjamin. “Mermaids & Mermen: Facts & Legends.” LiveScience, Purch, 26 May 2017, www.livescience.com/39882-mermaid.html. 

Spencer, Erin, et al. “How Do Gills Work?” Ocean Conservancy, 10 Sept. 2020, oceanconservancy.org/blog/2020/01/17/gills/. 

“What Is a Mermaid?” What Is a Mermaid? | Royal Museums Greenwich, www.rmg.co.uk/stories/topics/what-mermaid.