* Batten, Dr. Don (December 1997). [https://creation.com/a-whos-who-of-evolutionists "A ''Who’s Who'' of evolutionists"]. Creation Ministries International. Originally published in ''Creation'' 20(1):32. Retrieved July 17, 2014. | * Batten, Dr. Don (December 1997). [https://creation.com/a-whos-who-of-evolutionists "A ''Who’s Who'' of evolutionists"]. Creation Ministries International. Originally published in ''Creation'' 20(1):32. Retrieved July 17, 2014. |