Authors / David J. Kalupahana Selected Works (in chronological order) A Buddhist Tract on Empiricism (1969) – David J. Kalupahana Early Buddhism: A Conversation with Kalupahana (1991) – Richard K. Payne and David J. Kalupahana On separating out early from later Buddhism and why it matters. Featured in the course, " The Buddha's Words" A History of Buddhist Philosophy: Continuities and Discontinuities (1992) – David J. Kalupahana