nuc89-79497: Abū Maʻshar. Albumasar’s De magnis coniunctionibus [MI] 1489 (usage in note: Johannes Angelus)
Beiträge zur Incunabelnkunde I (1895), p. 11 (Angelus, Johannes; artt. mag.; from Aichach, Bavaria; astronomer, mathematician, orator, corrector for press of Ratdolt, Augsburg)
Gesamtkat. der Wiegendrucke item 4643 (Johannes Angeli)
Allg. deut. Biog. (Angelus, Johannes; prof. of astronomy at Vienna; b. 3.2.1463 in Aichen, Bavaria; d. Vienna 9-29-1512)
Printed books with manuscript annotations, 1997: 1 (Angelus=Engel, Johannes, 1453(?)-1512, Johann Engel)