James Owen, "Druids Committed Human Sacrifice, Cannibalism?," National Geographic News, March 20, 2009.

  James Owen, "'Arab' Found In Danish Iron-Age Grave," National Geographic News, June 24, 2008.

  James Owen, "Human Sacrifice Clues Found In European Stone Age Burials," National Geographic News, May 30, 2007.

James Owen, "Europeans Descended From Hunters, Not Farmers, Study Says," National Geographic News, November 10, 2005.

Christopher Andreae, "History-Steeped Iona: Ancient Christian Outpost Off Scotland's Coast," Christian Science Monitor, September 13, 1985.