Stephen Nissenbaum, The Battle for Christmas. Vintage, 1997.
Gerry Bowler, Santa Claus: A Biography. McClelland & Stewart, 2005.
Adam C. English, The Saint Who Would Be Santa Claus: The True LIfe and Trials of Nicholas of Myra. Baylor University Press, 2012.
Bruce Forbes, Christmas: A Candid History. University of California Press: 2007.
Ildar Garipzanov, "The Cult of St. Nicholas in the Early Christian North," Scandinavian Journal of History 35, no. 3 (2010): 229-246
Author and humorist David Sedaris' essay on the phenomenon of Zwarte Piet, "Six to Eight Black Men."