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2 Davids, Rhys, "The Questions of the King Milinda" 1977
3 Nanamoli, Bhikkhu, "The Middle Length sayings of the Buddha" Wisdom Publications 1995
4 Bodhi, Bhikkhu, "The Connected Discourses of the Buddha" Wisdom Publications 2000
5 Jayawickrama, N.A, "Suttanipata: Text and Translation" Postgraduate Institute of Pali and Buddhist Studies 2001
6 Davids, Rhys, "Dialogues of the Buddha II" 1910
7 Keown, Damien, "Buddhist Ethics A Very Short Introduction" Oxford University Press 2005
8 Ruegg, D.Seyfort, "Ahimsa and Vegetarianism in the History of Buddhism” in Buddhist Studies in Honour of Walpola Rahula" Somaratne Balasuriya et al 1980
9 Kalupahana, David J, "A History of Buddhist Philosophy: Continuities and Discontinuities" University of?Hawaii Press 1992