Oxford, Bodleian Library MS. Ashmole 1482. I. ff1-196 Collectanea Chymica: seu operationes atque experimenta in arte distillandi, sublimandi, et variis modis medicamenta conficiendi; plerumque Latine, partim vero Hollandice; liber a Theodorico Gravio (ut videtur) conscriptus. II. ff1-24 The Flower of Alchemy. 'The second part called the Antydotary'. III. ff1367,138 Processus operis [An account of an alchemical process, written partly in a secret alphabet, partly in Latin, and partly in English, superscribed by the writer 'Liber Christopheri Taylour.']