(en) San Giusto Castle (San Giusto Castle stands on a hill of the same name that overlooks the city. The history of this hill is as long as that of the city itself.). Discover Trieste. Gearchiveerd op 30 mei 2023.
treccani.it
(it) Ivanoff, Nicola, Celesti, Andrea. Dizionario Biografico degli Italiani - Volume 23. Istituto della Enciclopedia Italiana fondata da Giovanni Treccani S.p.A, Rome (1979).
(en) San Giusto Castle (San Giusto Castle stands on a hill of the same name that overlooks the city. The history of this hill is as long as that of the city itself.). Discover Trieste. Gearchiveerd op 30 mei 2023.
(it) Civico Museo del Castello di San Giusto (WayBack Machine). Consorzio per la Salvaguardia dei Castelli storici del Friuli Venezia Giulia (2004). Gearchiveerd op 3 februari 2007. Geraadpleegd op 22 juli 2021.