Episode 21: Holiday Magic
Alexandra, Zawadil (6 December 2006). "Santa's evil sidekick? Who knew?". Reuters
Asbjørnsen, Peter Christen, Jørgen Engebretsen Moe, illustrated by Kay Rasmus Nielsen. East of the sun and west of the moon. Edited by Noel Daniel, Taschen, 2015.
Basu, Tanya (December 19, 2013) "Who is Krampus?" National Geographic Magazine
Crimmins, Peter (10 December 2011). "Horror for the Holidays: Meet the Anti-Santa". National Public Radio.
John F. Miller, "Roman Festivals," in The Oxford Encyclopedia of Ancient Greece and Rome (Oxford University Press, 2010) p. 172.