Dissertatio Inavgvralis Jvridica, De Jvre Mercatorvm Singvlari / Qvam ... Svb Præsidio Dn. Ernesti Tenzelii, JCti, ... Pro Licentia Svmmos In Vtroqve Jvre Honores Et Privilegia Doctoralia Legitime Conseqvendi, Pvblico Ervditorvm Examini Svbmittit, Joh. Zacharias Hartvng, Errfurt. In Avditorio Collegii Majoris, Hor. Consvet. Die XXV. Avgvsti Anni M DCC XXX. Erfordiae : Hering, 1730