Mishnah, Sheqalim 8.2; see Saul Lieberman, “Notes,” P’raqim 1 (1967–1968), pp. 97–98 (in Hebrew); Bargil Pixner, “An Essene Quarter on Mount Zion,” in Studia Hierosolymitana, vol. 1, Archaeological Studies (Jerusalem: Franciscan Printing, 1976), pp. 270–271.