Oxford: Clarendon Press, 1992.

Wilhelm Halbfass,

Tradition and Reflection: Explorations in Indian Thought,

Albany, NY: SUNY Press, 1991.

Karl Potter,

India’s Philosophies,

Delhi: Motilal Banarsidass, 1991.

Karl Potter, (ed.)

Encyclopedia of Indian Philosophies,

Delhi: Motilal Banarsidass, 1970-93.

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