Dissertatio Theologica De Vocatione Ex Pulpito Ecclesiastico : In Cathedram Scholasticam Qvam Programmatis Loco, Cvm In Schola Provinciali Jeverana Rectoris Mvnvs In Se Svsciperet, ... / Invitat Gerhardvs Gerdes, Pastor Hvcvsqve Westrvmanvs, Jam Vero Scholæ Jeverensis Designatvs Rector