Who is the author of Unpublished Upanishads?

The author of the book 'Unpublished Upanishads'is John Doe. and this book published in 1940

What is the Publish date of Unpublished Upanishads?

'Unpublished Upanishads' was published in 1940.

The name of the publisher is 270.

Yes Offcourse this book have pdf version , not only its have many versionUnpublished Upanishads.

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