Dilip K. Chakrabarti, Internet Archive: Ancient Bangladesh, a study of the archaeological sources. Delhi ; New York : Oxford University Press, 1992, ISBN 978-0-19-562879-1, S.74 (englisch, archive.org).
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Shah Sufi Mostafizur Rahman: Archaeological Investigation in Bogra District: From Early Historic to Early Mediaeval Period. International Centre for Study of Bengal Art, 2000, ISBN 978-984-8140-01-7, S.50–51 (englisch, google.com).
