Subcategories:
— ancient (12)
— medieval (2)
— Paracelsic or chemiatric (7)
— 16th or 17th century (2)
— 17th or 18th century (8)
— 19th century (1)
— 19th or 20th century (5)
— concerning disease (12)
— practising pneumatic medicine (1)
— others (6)