Dürckheim, Karlfried, Graf, 1896-1988
Hara : the vital centre of man / Karlfriend Graf von Durckheim ; translated from German by Sylvia-Monica von Kospoth>
George Allen & Unwin, 1962.
 Buku Teks
Eliade, Mircea
Yoga : immortality and freedom/ Eliade Mircea.
Pantheon Books, 1958
 Buku Teks
Eliade, Mircea
Yoga ; immortality and freedom / MirceaEliade
Pantheon Books, 1954
 Buku Teks
Muzumdar, S.
Yogic exercises/ S. Muzumdar.
Orient Longmans, 1954
 Buku Teks
Zebroff, Kareen
Dasar-dasar yoga=The ABC yoga/ Kareen Zebroff; gubahan Stefanus
Sinar Kumala, 1979
 Buku Teks