Conder, C. R. and H. H. Kitchener (1882). The Survey of Western Palestine: memoirs of the topography, orography, hydrography, and archaeology, volume II (Samaria), London: The Palestine Exploration Fund.
Farr, T. G., P. A. Rosen, E. Caro, R. Crippen, R. Duren, S. Hensley, M. Kobrick, M. Paller, E. Rodriguez, L. Roth, D. Seal, S. Shaffer, J. Shimada, J. Umland, M. Werner, M. Oskin, D. Burbank and D. Alsdorf (2007). The Shuttle Radar Topography Mission. Reviews of Geophysics, vol. 45, issue 2 (June).10.1029/2005RG000183
Josephus, Flavius (1895). The Works of Flavius Josephus (JOE). Translated by William Whiston. Auburn and Buffalo, NY: John E. Beardsley, BibleWorks, vol. 7.
Obermeyer, J. (1929). Die Landschaft Babylonien im Zeitalter des Talmuds und des Gaonats: Geographie und Geschichte nach talmudischen, arabischen und andern Quellen. Frankfurt am Main: J. Kauffmann