Observationes Selectae De Initio Termini Probatorii / Qvas Consentiente Illvstri Ivreconsvltorvm Ordine Praeside D. Io. Christoph. Koch Patre Svo Venerando Pro Gradv Doctoris Et Svmmis In Vtroqve Ivre Honoribvs Capessendis D. Ianvarii MDCCLXXXV Pvblico Examini Svbmittit Henricvs Gvilielmvs Koch. Giessae : Braun, 1785