“Atlas of Ireland,” Royal Irish Academy (1979).
“The Course of Irish History,” Moody, Martin, Keogh, and Kiely, Eds. (2012).
“Eyewitness to Irish History,” Peter Berresford Ellis (2004).
“The Story of Ireland: A History of the Irish People,” Neil Hegarty (2012).
“The Illustrated History of Ireland,” Sean Duffy (2002).
“Ireland Revisited,” Janice Anderson (2006).
“In Search of Ancient Ireland: The Origins of the Irish, From Neolithic Times to the Coming of the English,” Carmel McCaffrey and Leo Eaton (2002).
“Celtic Tales of Magic and Enchantment: Mythical Stories from Irish Folklore,” Liam Mac Uistin (2017).
“The Prose Edda,” Snorri Sturluson, translated by Jesse L. Byock (2005).
“The Element Encyclopedia of the Celts,” Rodney Castleden (2012).
“Norse Mythology,” Neil Gaiman (2017).

On DVD:

“The Story of Ireland,” by Fergal Keane, BBC (2012)
“Ireland,” narrated by Jason O’Mara, produced for the television program “Nature” (2004)
“The Vikings,” by Kenneth W. Harl, The Great Courses (2005).