Specimen academicum, de oeconomia patriae per academias promovenda, qvod, suffragante ampliss. facult. philos. in Reg. Acad. Aboënsi, praeside Carolo Frid. Mennander, scient. nat. professore reg. & ordin. publico offert Johannes Borgström, Borgoa-Nylandus. Die IV. Maji, anni MDCCXLVIII. loco horisqve ante meridiem solitis.1.1.1748