Tolman, Herbert Cushing (1893). A guide to the Old Persian inscriptions. New York, Cincinnati [etc.] American book company. p. 146. This article incorporates text from this source, which is in the public domain.
Alcock, Susan E.; Alcock, John H. D'Arms Collegiate Professor of Classical Archaeology and Classics and Arthur F. Thurnau Professor Susan E.; D'Altroy, Terence N.; Morrison, Kathleen D.; Sinopoli, Carla M. (2001). Empires: Perspectives from Archaeology and History. Cambridge University Press. p. 105. ISBN9780521770200.
brynmawr.edu
repository.brynmawr.edu
The Achaemenid Empire in South Asia and Recent Excavations in Akra in Northwest Pakistan Peter Magee, Cameron Petrie, Robert Knox, Farid Khan, Ken Thomas p.713-714
[2]Archived 2011-02-05 at the Wayback Machine E. F. Schmidt, Persepolis III: The Royal Tombs and Other Monuments, Oriental Institute Publications 70, University of Chicago Press, 1970, ISBN0-226-62170-7
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[2]Archived 2011-02-05 at the Wayback Machine E. F. Schmidt, Persepolis III: The Royal Tombs and Other Monuments, Oriental Institute Publications 70, University of Chicago Press, 1970, ISBN0-226-62170-7