One link belongs to author, Erik Davis, which has a number of good essays
http://www.techgnosis.com
I'm not sure if the second link belongs to him or not, but it is about a book he co-authored, "The Visionary State: A Journey Through California's Spiritual Landscape." I'm still in the middle of reading an essay from this site, "Philip K. Dick's Divine Interference"
http://www.visionarystate.com/index.htm
