Angie Kiesling (2004-08-16). "Why Johnny Learns at Home". Publishers Weekly. 251 (33): 25–26. Archived from the original on 2007-09-27. Retrieved 2007-01-07.
Joe Woodward (Mar 31, 2001). "The godliness of fertility: A growing Protestant movement is rediscovering the sanctification available in large families". Calgary Herald: OS.10. ProQuest244455568.
Angie Kiesling (2004-08-16). "Why Johnny Learns at Home". Publishers Weekly. 251 (33): 25–26. Archived from the original on 2007-09-27. Retrieved 2007-01-07.