Roer, E. . The Twelve Principal Upanisads / Textual Documents E.Roer. - 1st ed. / - Madras : Theosophical Publishing House , 1931. - 451p. ; 22cm. - Vol. II- Subjects--Index Terms: Religion-Hindu Upanisads G-Religion Dewey Class. No.: 294.14 / R 628 T