Masada: es-Sabba

Conder, C. R. and Kitchener, H. H., "Masada: es-Sabba", in: The Survey of Western Palestine: memoirs of the topography, orography, hydrography, and archaeology; Volume 3. sheets XVII.-XXVI. Judæa, edited by Palmer, E. H. and Besant, W., London, 1883: 420.
https://archive.org/details/surveyofwesternp03conduoft