De Certaminibvs Eruditorum Rite Instituendis Dissertatio / Quam Auxiliante Gratia Altissimi Rectore ... Domino Gvilielmo Henrico Dvce Saxoniæ ... Amplissimi Philosophorum Ordinis consensu In Academia Jenensi D. Maji. A. D. MDCCX ... submittent Præses Io. Iacobus Lehmann Erff. Ph. M. & Th. C. Et Respondens Io. Gvilielmvs Ludolff Erff. Ph. & J. V. C.