Skicka posten per e-post: Pentas I. aphorismorum de sobrio studio metaphysices, quam, adprob. ampliss. facult. philos. Reg. Acad. Aboëns. Praeses, mag. Laurentius O. Lefrén, facult. philos. adjunct. ordin. et respondens, Laurentius Joh. Hallman, Nericia Svio-Gothus, defendent, die 16 Maji anni 1767. l. h. a. m. s.
