↑ John Walbridge The Wisdom of the Mystic East: Suhrawardī and Platonic Orientalism Page 129 – 2001 "The form Būdhīsaf is the original, as shown by Sogdian form Pwtysfi and the early New Persian form Bwdysf. ... On the Christian versions see A. S. Geden, Encyclopaedia of Religion and Ethics, s.v. "Josaphat, Barlaam and," and M. P. Alfaric, ..."
