Amazon.com: The Legend of Ragnar Lodbrok: Viking King and Warrior (Audible Audio Edition): Christopher Van Dyke, Ralph Lister, Graymalkin Media: Audible Audiobooks
Ragnar Lothbrok and a History of the Vikings : Viking Warriors Including Rollo, Norsemen, Norse Mythology, Quests in America, England, France, Scotland, Ireland and Russia by Noah Brown (2017, Trade Paperback) for