Karmay, Samten C. (2005). "The Great Fifth", p. 1. Downloaded as a pdf file on 16 December 2007 from: [1]Archived 15 September 2013 at the Wayback Machine
Larsen, Ingrid (28 October 2013). "Climbing to Great Heights - The Potala Palace". smithsonianjourneys.org. Retrieved 8 May 2021. The Potala was spared at the insistence of Chairman Mao's comrade, Zhou Enlai, who reportedly deployed his own troops to protect it.
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Karmay, Samten C. (2005). "The Great Fifth", p. 1. Downloaded as a pdf file on 16 December 2007 from: [1]Archived 15 September 2013 at the Wayback Machine