For more information on the life and teachings of Beinsa Douno, please visit these sites. Some of them are in Bulgarian, but you can use either the translate feature in Google Chrome, or Google Translate, to translate these websites to English:
The Great Univeral Brotherhood
Paneurhythmy - Supreme Cosmic Rhythm
Petar Danov - Teachings in English
NEW!
Beinsa Douno Music (Bulgarian - links to a number of online recordings)