Petechiarvm Benignissimae Indolis Singvlare Exemplvm / Praeside Petro Immanvele Hartmanno, Phil. Et Med. Doct. Patholog. Therap. Chem. Et Botan. Prof. Pvbl. Ordin. ... Ad D. XVII. Ivlii MDCCLXXX. Medici Doctoris Honores Solemni Legitimoqve Ritv Capessvrvs Pvblice Exponet Avctor Ioannes Godofredvs Ferdinandvs Vechner Behna Lvsatvs. Traiecti Ad Viadrum : Winter, 1780