Three separate drawings of different specimens of cauda equina tumours each attributed to a particular surgeon or pathologist. Annotations on the back read "56 02 08 15 Tumours of cauda equina" and "Jefferson".
Cruveilhier, ependymoma
Bottom left, below the first drawing.Krause, angio-sarcoma
Bottom centre, below the second drawing.Jefferson & Ferguson, angeioblastoma
Bottom right, below the third drawing.