I martiri sardi delle Fosse Ardeatine i militari - Contu, Martino (AM&D Ed., 1999)
Biography of Pasqualino Cocco (1920-1944), Candido Manca (1907- 1944), Agostino Napoleone (1918-1944) and Gerardo Sergi (1917-1944), the 4 Sardinian servicemen killed by the Germans during the massacre of the Fosse Ardeatine, Rome. - Contains bibliographical references, notes and name index