"Immagine 25 / Image 25 [ Birth certificate no 34 ]" (dalam bahasa Italian). Archivio di Stato di Udine / States Archives in Udine > Antenati: Gli Archivi per la Ricerca Anagrafica / Ancestors: Archives for Research Registry. 10 January 1898. Diarsipkan dari versi asli tanggal 2016-11-06. Diakses tanggal 27 December 2016.Pemeliharaan CS1: Bahasa yang tidak diketahui (link) Birth name: Carlo Artemio e Vittorio Duse. With mention in margin of his date and place of death.
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"Immagine 25 / Image 25 [ Birth certificate no 34 ]" (dalam bahasa Italian). Archivio di Stato di Udine / States Archives in Udine > Antenati: Gli Archivi per la Ricerca Anagrafica / Ancestors: Archives for Research Registry. 10 January 1898. Diarsipkan dari versi asli tanggal 2016-11-06. Diakses tanggal 27 December 2016.Pemeliharaan CS1: Bahasa yang tidak diketahui (link) Birth name: Carlo Artemio e Vittorio Duse. With mention in margin of his date and place of death.