De Observantia Imperii / Illustris Ictorum Ordinis Auctoritate Pro Summis In Utroque Iure Honoribus Privilegiisque Doctoralibus Rite Obtinendis Die XV. April. MDCCXCV. Disputabit Auctor Carolus Frid. Guilelm. De Spangenberg, Rutheno-Variscus
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