Shiltei ha-Giborim [“Shields of the Mighty”]

An encyclopedic work on war, music, incense, numismatics, weaponry, architecture - all discussed in order to elucidate the composition of the Temple in Jerusalem. “Portaleone’s treatment is so discursive as to make the work a compendium of all branches of science known in his day, in which all of the ten languages he knew were amply used.” EJ, Vol. XIII, cols. 908-9. See also, C. Roth, Jews in the Renaissance (1959), pp. 315-318; S. Simonsohn, History of the Jews of the Duchy of Mantua (1977), p. 584, 637-8, 645-6; Alessandro Guetta, “Avraham Portaleone: From Science to Mysticism” in Jewish Studies at the Turn of the Twentieth Century, II (1999), pp. 41-47; Samuel S. Kottek, “Jews between Profane and Sacred Science in Renaissance Italy: The Case of Abraham Portaleone” in Religious Confessions and the Sciences in the Sixteenth Century (2001), pp. 108-118