Written in 1515 at Yangpachen monestary with Ananda Samudra (Kunga Gyatso) as scribe on the basis of the oral explanations of the author's teachers. The author signs himself "A Vajrayana Buddhist monk [called] Chokyi Drakpa Yeshe Pal Zangpo." This text was edited for the golden manuscript of the collected works put together by Norbu Zangpo in 1694. Page 2. BDRC Work ID: W8LS15733.