570.92 R Cannon, Dorothy F Explorer of the human brain, the life of Santiago Ramón y Cajal (1852-1934) with a memoir of Dr. Cajal by Sir Charles Sherrington. New York, H. Schuman [1949] xv, 303 p. ilus., retratos, mapas, 22 cm. (The Life of science library) Inclye bibliografía.