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The Approach to Philosophy, (1905), New York, Chicago and Boston: Charles Scribner's Sons
The Moral Economy, (1909), New York: Charles Scribner's Son
Present Philosophical Tendencies: A Critical Survey of Naturalism, Idealism, Pragmatism, and Realism, together with a Synopsis of the Philosophy of William James, (1912), New York:Longmans, Green & Co.
Holt, EB; Marvin, WT; Montague, WP; Perry, RB; Pitkin, WB; Spaulding, EG, The New Realism: Cooperative Studies in Philosophy, (1912), New York: The Macmillan Company
The Free Man and the Soldier, (1916), New York: Charles Scribner's Sons