Letters to American author and reformer, John Jay Chapman, from various correspondents

Letters to American philosopher and psychologist William James and some to his wife, Alice Howe Gibbens James. Also includes a James family photograph album.

Notes, clippings, pamphlets, and other miscellany of American philosopher and psychologist William James.

Correspondence and a few compositions of American philosopher and psychologist William James.

Letters of American philosopher and psychologist William James to Swiss psychology professor Théodore Flournoy

Drawings, sketches, and sketchbooks by William James, the American philosopher and psychologist.

Probably materials removed from James books in Widener Library. Largely from books by William James and most are identified on slips. Includes account of conversation by Henry James on his Notes of a son a brother. Most letters are addressed to Henry James III (son of William James).

Letters from the psychologist and philosopher William James to his student, George Van Ness Dearborn.

A scrapbook of letters from philosopher William James to his son Henry James, with transcripts of letters from William James to his daughter Margaret and other related papers.

Manuscripts concerning the writing and publication of Some problems of philosophy .

Papers of American philosopher and psychologist William James.