Iohannes Diaconus, Istoria Veneticorum, p. 150:(in Latin)qui dum Chroatorum fines rediens transire vellet, a Michahele Sclavorum duce fraude deceptus, omnibusque bonis privatus atque Vulgarico regi, Simeoni nomine, exilii pena transmissus est.
Janeković-Römer, Zdenka (December 1994). "Dr. Josip Lučić (1924-1994) [s bibliografijom]". Journal - Institute of Croatian History (in Croatian). 27 (1). Institute of Croatian History, Faculty of Philosophy Zagreb. ISSN0353-295X. Retrieved 2012-02-14.
Janeković-Römer, Zdenka (December 1994). "Dr. Josip Lučić (1924-1994) [s bibliografijom]". Journal - Institute of Croatian History (in Croatian). 27 (1). Institute of Croatian History, Faculty of Philosophy Zagreb. ISSN0353-295X. Retrieved 2012-02-14.