Westphal, Ernst Christian: Brevi Tractatione De Ivre Singvlorvm Praemissa Lectiones Academicas Instante Hoc Semestri Svb Svmmi Nvminis Avspiciis Habendas Annvnciat Ernestvs Christianvs [...]. Halae : Litteris Hendelianis, MDCCLXXIX