Leiden MS. Vossianus Chym. Q. 40. 149 folios. Paper. 202x160mm. End of 16th Century. 1. f1-66 Thomas Norton, Ordinall of Alkimy [in English.] 2. f66-67 [Latin poem on the art of Geber.] 3. f67-72 [Recipes.] 4. f73-119 Des choses métalliques [extracts in French.] 5. f119v-138 Guillaume de Pavie, Lilium florium [in Latin.] 6. f138v-139 [Recipe.]