หลักฐานธรรมาภายในคัมภีร์พุทธโธภาณ 1 ฉบับวิชาการ
Order (Catusparisatsûtra). Vol. 1, Religious Texts Translation Series NISABA. Leiden: E.J. Brill.
Kohn, Livia, and Michael LaFargue. 1998. Lao-tzu and the Tao-te-ching.
Albany, N.Y.: State University of New York Press.
Kohn, Livia, and Yoshinobu Sakade. 1989. Taoist meditation and longevity techniques. Ann Arbor: Center for Chinese Studies, University of Michigan.
Konow, Sten. 1916a. "The Vajracchedikā in the Old Khotanese Version of Eastern Turkestan." In A. F. R. Hoernle, eds., Manuscript remains of Buddhist literature found in Eastern Turkestan, pp. 214-288. Oxford: Clarendon Press.
Konow, Sten. 1916b. "Vocabulary to Vajracchedikā and Aparamitāyuh Sutra." In A. F. R. Hoernle, eds., Manuscript remains of Buddhist literature found in Eastern Turkestan, pp. 330-56. Oxford: Clarendon Press.
Kumamoto, Hiroshi. 1995. Dharmasāritra-sûtra: a short Buddhist text belonging to the Mahāyānaist tradition. Encyclopaedia Iranica, http://www.iranicaonline.org/articles/dharmasarira-sutra.
Kumar, Yukteswar. 2005. A History of Sino-Indian Relations : 1st Century A.D. to 7th Century A.D. : Movement of Peoples and Ideas between India and China from Kasyapa Matanga to Yi Jing. New Delhi: APH Publishing Corporation.
Lee, Mei-huang. 2009. "Study of the Gändhāri Dārukkhandhopamasutta (Discourse on the Simile of the Log)." PhD Dissertation.