First part consists of nine alchemical tracts by various authors.
Attributed to Georges Aurach in: "Histoire de la philosophie hermetique", by Nicolas Lenglet Dufresnoy; see also "Alchemy and the occult : a catalogue of books and manuscripts from the collection of Paul and Mary Mellon given to Yale University", compiled by Ian Macphail, vol. 1, New Haven, 1968.
"Rosarium philosophorum : seconda pars alchimie ..." (pages [1]-[95] at end) has separate title page with woodcut vignette; Part 2 has title: Rosarivm philosophorvm. Secvnda pars Alchimiæ de lapide philosophico ...