You searched for: Language English, with a few pages in French. Remove constraint Language: English, with a few pages in French. Relation https://repository.upenn.edu/uniqueatpenn/23/ Remove constraint Relation: https://repository.upenn.edu/uniqueatpenn/23/ Subject 18th century. Remove constraint Subject: 18th century. Subject Alchemy -- Early works to 1800. Remove constraint Subject: Alchemy -- Early works to 1800.