Ad Jacobi Auberti Vindonis De ortu et causis metallorum contra chymicos explicationem Josephi Quercetani Armeniaci, D. Medici brevis responsio. : Eiusdem De exquisita mineralium, animalium, & vegetabilium medicamentorum spagyrica praeparatione & usu, perspicua tractatio
Ad Jacobo Auberti Vindonis De ortu et causis metallorum contra chymicas explicationem Josephi Quercetani Armeniaci
These two works, together with the author's Sclopetarius and Antidotarium spagiricum, were published by the same press in 1591 under title: Opera medica.
"De mineralium, animalium, et vegetabilium medicamentorum spagyrica praeparatione, & usu" (p. 77-186) has separate dated t.p.; pagination and register continuous.
Printer's device with motto "Omnibus sed paucis luceo" on t.p. and repeated in a different form on leaf O4r.