- Giovanni Battista de' Cavalieri (printmaker), Constans II and Constantine IV (Accolti). Part of Cavalieri's Romanorum Imperatorum Effigies
- Giovanni Battista de' Cavalieri (printmaker), Constans II and Constantine IV. In Tomasz Treter, Romanorvm Imperatorvm Effigies ..., Rome: Vincenzo Accolti (printer), 1583 (Warsaw, BN), fol. 100, 101 ◼
- Giovanni Battista de' Cavalieri (printmaker), Constans II and Constantine IV. In Tomasz Treter, Romanorvm Imperatorvm Effigies ..., Rome: Francesco Coattino (printer), 1590, fol. 100, 101