Letter from Wesley Needham to Mr. Kilmartin, at Encyclopaedia Brittanica.
Letter updating EB on the status of Needham's research on Bowles' thangka.
Wesley E. Needham Papers. Tibet Mss 64. Box 1. General Collection, Beinecke Rare Book and Manuscript Library, Yale University.
March 23, 1955.
Wesley Needham, “Letter from Wesley Needham to Mr. Kilmartin, at Encyclopaedia Brittanica. ,” Himalayan Collections @ Yale, accessed November 22, 2017, http://himalayancollections.commons.yale.edu/items/show/1619.