Key to phrenology / by Prof. Wm. Seymour, practical phrenologist & psychologist, of Philadelphia.
Key to Phrenology is an 1890 Philadelphia publication by the phrenologist William Seymour, a manual for readers of head-reading and character analysis. Its pictures are small engraved portraits of men shown in profile and three-quarter views, with hatched shading and plain collars, offering a designer period-accurate figure studies of 19th-century sitters.
