Imperial Double Eagle with the Coat of Arms of Ingolstadt, Freiburg, and Tübingen, from Joan. Eckii Theologi in summulas Petri Hispani extemporaria et succincta atque succosa explanatio p[ro] sup[er] ioris Germaniae scholasticis
Title: Imperial Double Eagle with the Coat of Arms of Ingolstadt, Freiburg, and Tübingen, from Joan. Eckii Theologi in summulas Petri Hispani extemporaria et succincta atque succosa explanatio p[ro] sup[er] ioris Germaniae scholasticis