Jules Romains

Eyeless Sight: A Study of Extra-Retinal Visoin and the Paroptic Sense

G. P. Putnam's Sons, London 1924.

Proceedings of the Society for Psychical Research

Vol. 34, London 1924.

Journal of the Society for Psychical Research

Vol. 22-23, London 1925.

Proceedings of the Society for Psychical Research

Vol. 35, London 1926.

Proceedings of the Society for Psychical Research

Vol. 35, London 1926.