Jacob, G. A. (1963). A concordance to the principal Upanishads and Bhagavadgita. Motilal Banarsidass.
Cita Chicago Style (17a ed.)Jacob, George Adolphus. A Concordance to the Principal Upanishads and Bhagavadgita. Delhi [etc.]: Motilal Banarsidass, 1963.
Cita MLA (9a ed.)Jacob, George Adolphus. A Concordance to the Principal Upanishads and Bhagavadgita. Motilal Banarsidass, 1963.
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