"Immagine 25 / Image 25 [ Birth certificate no 34 ]" (in 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. Retrieved 27 December 2016. Birth name: Carlo Artemio e Vittorio Duse. With mention in margin of his date and place of death.
!["Immagine 25 / Image 25 [ Birth certificate no 34 ]"](http://www.antenati.san.beniculturali.it/v/Archivio+di+Stato+di+Udine/Stato+civile+italiano/Udine/Nati/1898/20291/101338570_00025.jpg.html?g2_imageViewsIndex=0){kind=link}