Beginning with the establishment of the first ghetto in Venice in 1516, then followed by that of Rome and other cities, the Jews had to measure themselves against this circumscribed and ambivalent place, which included them in the urban perimeter and at the same time isolated them. For almost three centuries this was the space in which the Jews cultivated their identity, on the one hand preserving the characteristics of a millenary culture, while on the other drawing from the world that opened up beyond that border: the constant relationship between the "inside" and the "outside" of the...