Specimen academicum de necessitate justae medicamentorum compositionis, quod ex speciali venia illustriss. Acad. Ab. cancellarii, approb. exp. fac. med. ventilandum sistit Johannes Fredricus Wallenius, med. licent. phil. mag. & aman. cons. Acad. stip. Ekestubb. Respondente Jacobo Johanne Haartman, Ostrobotniensi. In auditorio majori die XVI. Decemb. a. MDCCLXXXVI. horis ante & post meridiem consvetis.1.1.1786