Dissertatio academica de secretis societatibus litterariis, quam consensu ampliss. senatus philos. in Reg. Acad. Aboënsi, praeside mag. Johanne Bilmark, histor. ac phil. pract. professore ordin. publico examini subjicit Carolus Ekman, Medelpadus, in auditorio majori die III. Junii anni MDCCLXXII - Bilmark, Johannes; Ekman, Carl Christopher; Ekman, Carl (ruukinpehtori); Frenckell, Johan Christopher I (kirjapaino, Turku, 1761-1779) (Yhteissidos = Samlingsband = Bound volume 1201074091, 1772)
Keywords: oppihistoria