Ligorio, Pirro, Georg Braun, and Frans Hogenberg. <i>Antiquæ Vrbis Romæ Imago Accuratiss: Ex Vetustis Monumentis, Ex Vestigiis Videlicet Ædificior., Moeniûm Ruinis, Fide Numismatum, Monumentis Æneis, Plumbeis, Saxeis Tiglinisq[ue] Collecta, Veter. Deniq[ue].</i> [Cologne: Braun & Hogenberg, 1588.