Göbl MIRR. Göbl, et al. Moneta Imperii Romani. 5 Vols. Vienna. 1984-present.

MIRR. Göbl, et al. Moneta Imperii Romani. 5 Vols. (Vienna, 1984-present). Various. Monete Italiane Regionali. 5 Vols. (Pavia).