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Fessard, G. Teología de la liberación, génesis y trayectoria, 1979 t.p. (Julio Girardi) p. 5 (P. Giulio Girardi, S.D.B.)
Italian Wikipedia WWW site, Mar. 7, 2012 (Giulio Girardi; b. Feb. 23, 1926, Cairo; d. Feb. 26, 2012, Rocca di Papa; Italian priest, theologian, philosopher, and university professor)