http://www.nityanandatradition.org/
Honoring the tradition of Bhagavan Nityananda
http://rudranandalineage.com/
A website devoted to the lineage of Swami Rudrananda
http://www.tantra-kundalini.com
Ancient teachings of Tantra and Kundalina Yoga
http://markdkashi.com/
Mark Dyczkowski, one of the world's foremost authorities on Tantra
Photos and transcripts from Rudi and Nityananda at Internet Yoga