Twentieth century philosophy : living schools of thought - Runes, Dagobert D. (Dagobert David), 1902-1982 (New York : Philosophical Library, 1947)
2. Philosophy of the twentieth century, by Bertrand Russell. Kantianism, by A. C. Ewing. Philosophy of Hegelianism, by Richard Hoenigswald. The humanism of St. Thomas Aquinas, by Jacques Maritain. Transcendental absolutism, by George Santayana. Personalism, by R. T. Flewelling. Phenomenology, by Marvin Faber. Logical empiricism, by Herbert Feigl. The story of American realism, by John Dewey. Dialectical materialism, by John Somerville. Philosophic naturalism, by R. B. Winn. Philosophies of China, by Wingtsit Chan.