912 — White, D. G. (2014). The Yoga Sutra of Patanjali. A biography. Princeton and Oxford: Princeton University Press. 13 December 2014, Philadelphia.
« In either case, we can be certain of a number of things: that the book you have been reading is the reception history of a work that may or may not be titled the Yoga Sutra; that the author of that work may or may not have been named Patanjali; and that that work may or may not have been the subject of an original and separate commentary by a person probably not named Vyasa » (p. 234).