Exercitatio Academica ... De Causis laboranti Naturae obstetricantibus: Virtute sc. Coeli & Ignis subterranei / Quam ... In Illulstri Academia Wittebergens. ... submittent Praeses M. Adam Purpius, Marchic. Med. Stud. atq[ue] Respondens Johann: Christophorus Adlung/ Erfurtinus ... Wittebergae : Wendt, 1669