Some links from the episode:

* Time: 5 Myths and Truths about Rasputin (http://time.com/4606775/5-myths-rasputin/)

* KnowledgeNuts: Rasputin Didn't Die Like The Legends Say (https://knowledgenuts.com/2014/03/06/rasputin-didnt-die-like-the-legends-say/)

* Douglas Smith: Rasputin: Faith, Power, and the Twilight of the Romanovs (https://books.google.com/books?id=RhXyCwAAQBAJ)

* Slightly Less: Ra Ra Rasputin (https://www.youtube.com/watch?v=WhPvJOnHotE)