S. G. F. Brandon (January 1955). "[Untitled review of Radhakrishnan's principal Upanishads]". Philosophy. 30 (112). Cambridge University Press on behalf of Royal Institute of Philosophy: 71–73. doi:10.1017/s003181910003641x. JSTOR3747735. S2CID170599074.
E. A. Burtt (April 1957). "[Untitled review of Radhakrishnan's principal Upanishads]". Journal of Bible and Religion. 66 (2). Duke University Press on behalf of Philosophical Review: 275–277. doi:10.2307/2182385. JSTOR2182385.
Hajime Nakamura (January 1962). "[Untitled review of Nikhilananda's The Upanishads]". Philosophy East and West. 11 (4). University of Hawai'i Press: 245–253. doi:10.2307/1397027. JSTOR1397027.
jstor.org
Archie J. Bahm (April 1955). "[Untitled review of Radhakrishnan's principal Upanishads]". Journal of Bible and Religion. 23 (2). Oxford University Press: 152. JSTOR1457242.
S. G. F. Brandon (January 1955). "[Untitled review of Radhakrishnan's principal Upanishads]". Philosophy. 30 (112). Cambridge University Press on behalf of Royal Institute of Philosophy: 71–73. doi:10.1017/s003181910003641x. JSTOR3747735. S2CID170599074.
E. A. Burtt (April 1957). "[Untitled review of Radhakrishnan's principal Upanishads]". Journal of Bible and Religion. 66 (2). Duke University Press on behalf of Philosophical Review: 275–277. doi:10.2307/2182385. JSTOR2182385.
Hajime Nakamura (January 1962). "[Untitled review of Nikhilananda's The Upanishads]". Philosophy East and West. 11 (4). University of Hawai'i Press: 245–253. doi:10.2307/1397027. JSTOR1397027.
semanticscholar.org
api.semanticscholar.org
S. G. F. Brandon (January 1955). "[Untitled review of Radhakrishnan's principal Upanishads]". Philosophy. 30 (112). Cambridge University Press on behalf of Royal Institute of Philosophy: 71–73. doi:10.1017/s003181910003641x. JSTOR3747735. S2CID170599074.