Dissertatio historica, solennem inscrinationis actum b. episcopi Aboensis Hemmingi exhibitura. Cujus partem priorem, venia ampliss. ord. philos. in Reg. Acad. Aboëns. Praeside mag. Johanne Bilmark, histor. et phil. pract. professore reg. et ord. Pablico [!] submittit examini Gustavus Sivers, Ostro-Gothus. In auditorio majori die VIII Martii MDCCLXXV. h. a. m. s.1.1.1775