Disputatio juridica, De jure baptismi, Germ. Von dem Tauff-Recht. Quam occasione tituli cod. ne sanctum baptisma iteretur, authoritate et consensu magnifici Jctorum ordinis in florentissima Albertina, sub tutamine viri ... Dn. Achatii Christiani Rangern, ... exercitii gratia publico juris cultorum examini subjicit Petrus Engelbertz, ... In auditorio majori, horis consuetis D. Maj. An. 1689
