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Constantín, María Teresa. “Italia en la nebbia. La Boca como residencia(Italy under fog. La Boca as a residing place) in Diana Wechsler (coord.) Italia en el horizonte de las artes plásticas (Italy in the horizon of the plastic arts), Buenos Aires, Asociación Dante Alighieri, 2000, p. 195. This same author points out in the text, that Unione y Benevolenza is founded in Buenos Aires in 1858 and, by 1914, there are already 66 associations with 51.500 members.