[ Autograph ] William James 1842-1910 American psychologist and author and the primary founder of pragmatism. A.L.S. 1p. 8vo., Cambridge, Apr. 5, 1898 to Mr. K. Twining. In part: '...I send you the S.Pr. Proceedings with the report on Mrs. Papier. It is fearfully dry reading, but is certainly the most thorough piece of work ever done on a medium...' One light brush in text, otherwise fine.