Rich Ives The NCAA rule book lists them, but doesn't detail them. Go to http://www.ncaa.org track down through sports - spring (The URL is a gazillon characters long)
Justme The 2006 Baseball Rule Differences (BRD) written by Carl Childress compares NFHS, NCAA, NAIA & OBR (MLB rules). You can buy it at: Officiating.com for $24.95