Sources used in developing Lesson 15:
- Blayney, Keith. The Caduceus vs the Staff of Asclepius. http://drblayney.com/Asclepius.html
- "The Bronze Serpent." Daily Bible Study. http://www.keyway.ca/htm2000/20001212.htm
- Feiler, Bruce. Walking the Bible (for explanation of main translations of Bible)
- Gospel Doctrine Teacher's Manual
- Leadbetter, Ron. "Asclepius." Encyclopedia Mythica. http://www.pantheon.org/articles/a/asclepius.html
- William, Patrick J. "Snake on a Stick." Christian Century March 2, 1994: 223. (ya gotta love the title of that!)
- Sommer, Benjamin D. "Reflecting on Moses: The Redaction of Numbers 11." Journal of Biblical Literature 118.4 (1999): 601-624.