Thesaurus Chemicus

in Latin, by Roger Bacon, 1271

An early medieval textbook, this volume contains a comprehensive survey of alchemy. This book was donated to the Miskatonic Univeristy as part of the Orne Bequest. (Johnson, Sam, and Sandy Antunes. "Miskatonic University: A Handbook to the Pride of Arkham." Chaosium, Oct. 2005.)