Vaccia, Michael von
14th century
Literature and printed sources
Joannes Joseph Locher, Speculum Academicum Viennensis Seu Magistratus Antiquissimae et Celeberrimae Universitatis Viennensis, a Primo Ejusdem Auspicio Ad Nostra Tempora Chronologice, Historice, et Lemmatice (Wien 1773), online at http://phaidra.univie.ac.at/o:296305.