Aprakaśita upanisadah.
Contributors: Kunhan Raja, Chittenjoor,
Series: Adyar Library series -- v. 14
Publisher: Published for the Adyar Library, Theosophical Society]
Published: 1933
Place of publication: [Madras
Language: san
Number of pages: 16516
Other titles: Un-published upanishads
Work titles: Upanishads
Notes: Added t.p.: Un-published upanishads.

Preface in English.