Lavrentii Ventvrae ... De ratione conficiendi lapidis philosophici, liber vnus ... Huic accesserunt eiusdem argumenti Ioan. Garlandij Angli liber Vnus : Et ex speculo magno Vincentij libri duoJohn, of Garland, ca. 1195-ca. 1272. Compendius alchimiaeVentura, LorenzoVincent, de Beauvais, d. 1264. Speculum Majus1571Error in paging (2nd ser.): numbers 61-2 omitted.Many manuscript notes, manicules.text