Jelaskan Catatan dari Pilar-Pilar Asoka

Ashoka, Emperor, Edicts of Ashoka, eds. N. A. Nikam, Richard P. McKeon, 1978, University of Chicago Press, ISBN 0226586111, 9780226586113, google books

"Companion": Brown, Rebecca M., Hutton, Deborah S., eds., A Companion to Asian Art and Architecture, Volume 3 of Blackwell companions to art history, 2011, John Wiley & Sons, 2011, ISBN 1444396323, 9781444396324, google books

Harle, J.C., The Art and Architecture of the Indian Subcontinent, 2nd edn. 1994, Yale University Press Pelican History of Art, ISBN 0300062176

Krishnaswamy, C.S., Sahib, Rao, and Ghosh, Amalananda, "A Note on the Allahabad Pillar of Aśoka", The Journal of the Royal Asiatic Society of Great Britain and Ireland, No. 4 (Oct., 1935), pp. 697–706, Royal Asiatic Society of Great Britain and Ireland, JSTOR

Falk, H. Asokan Sites and Artefacts: a A Source-book with Bibliography, 2006, Volume 18 of Monographien zur indischen Archäologie, Kunst und Philologie, Von Zabern, ISSN 0170-8864