found: Pio IX. Volume 1, 1974:title page (Giacomo Martina S.J.)
found: LC data base, August 12, 1986(hdg.: Martina, Giacomo)
found: Storia della Compagnia di Gesù in Italia (1814-1983), 2003:title page (Giacomo Martina)
found: Italian Wikipedia, viewed June 30, 2020(Giacomo Martina; born December 12, 1924, in Tripoli; died February 6, 2012, in Rome; Italian priest, historian, and university professor; specialist in the history of Christianity; entered the Jesuit order in 1939; taught for more than 30 years at the Pontificia Università gregoriana in Rome)