Letter to Robin! This Mini-Course in Pendulum Dowsing www.lettertorobin.org [free download] Personal Dowsing – Walt Wood – Raymon Grace Projects www.raymongraceprojects.com/pdf/PersonalDowsing709_3.pdf [free download] American Society of Dowsers www.dowsers.org/ The University of Science and Philosophy Walter Russells’ The Man Who Tapped the Secrets of the Universe [free download] http://www.philosophy.org/the-man-who-tapped-the-secrets-of-the-universe/