Philosophy and its Critics--The Problems of Metaphysics--The Problem of Being--Percept and Concept--The One and the Many--The Problem of Novelty--Novelty and the Infinite--Novelty and Causation---- Appendix: Faith and the Right to Believe. _Memories and Studies._ New York and London: Longmans, Green & Co., 1911. Louis Agassiz--Address at the Emerson Centenary in Concord--Robert Gould Shaw--Francis Boott--Thomas Davidson--Herbert Spencer's Autobiography--Frederick Myers's Services to Psychology--Final Impressions of a Psychical Researcher--On Some Mental Effects of the Earthquake--The Energies of Men--The Moral Equivalent of War--Remarks at the Peace Banquet--The Social Value of the College-bred--The Ph.D. Octopus--The True Harvard--Stanford's Ideal Destiny--A Pluralistic Mystic (B. P. Blood). _Essays in Radical Empiricism._ Edited by RALPH BARTON PERRY. New York and London: Longmans, Green & Co., 1912. Introduction--Does Consciousness Exist?--A World of Pure Experience--The Thing and its Relations--How Two Minds can Know One Thing--The Place of Affectional Facts in a World of Pure Experience--The Experience of Activity--The Essence of Humanism--_La Notion de Conscience_--Is Radical Empiricism Solipsistic?--Mr. Pitkin's Refutation of Radical Empiricism--Humanism and Truth Once More--Absolutism and Empiricism. _Collected Essays and Reviews._ Edited by _Ralph Barton Perry_. New York and London: Longmans, Green & Co., 1920.