* Yogi Bhajan with Gurucharan Singh Khalsa, The Mind: Its Projections and Multiple Facets, Espanola, New Mexico, Kundalini Research Institute, 1997.
* Yogi Bhajan with Gurucharan Singh Khalsa, The Mind: Its Projections and Multiple Facets, Espanola, New Mexico, Kundalini Research Institute, 1997.