Photo of tanks in Africa. No source, no date. [3892-1] ; Photo of tanks and military preparations in England, Germany and the USA. No Source, no date. [3892-2] ; Anonymous. “Cartas de Buenos Aires. Pettoruti, el futurismo y la realidad.” Diario de la Marina, Habana, 26 lug 1925. [3892-3]Marinetti, F. T., 1876-19441925ita