Buddhist Landscapes in Central India: Sanchi Hill and Archaeologies of Religious and Social Change, C. Third Century BC to Fifth Century AD, by Julia Shaw, Left Coast Press, 2013 p.90
Alexander Peter Bell Didactic Narration: Jataka Iconography in Dunhuang with a Catalogue of Jataka Representations in China. LIT Verlag Münster, 2000 p.15ff
Buddhist Landscapes in Central India: Sanchi Hill and Archaeologies of Religious and Social Change, C. Third Century BC to Fifth Century AD, Julia Shaw, Left Coast Press, 2013 p.88ff
"The railing of Sanchi Stupa No.2, which represents the oldest extensive stupa decoration in existence, (and) dates from about the second century B.C.E" John Clifford Holt, Jacob N. Kinnard & Jonathan S. Walters, Constituting Communities: Theravada Buddhism and the Religious Cultures of South and Southeast Asia. SUNY Press, 2012 p.197
Buddhist Architecture, Huu Phuoc Le, Grafikol, 2010 p.149