Manuscripts, 1813-1875, from the library of John and Henry Harries of Cwrt-y-cadno, astrologers, cunning men and conjurors. The collection includes records of patient prescriptions and payment, draft horoscopes compiled in response to patient requests, a printed astrological almanac with manuscript entries, patient correspondence, notes and transcripts of medical lectures, and medical treatises; together with general account books, miscellaneous papers, etc.