
Source: The Limits of Evolution, and Other Essays, Illustrating the Metaphysical Theory of Personal Ideaalism (1905), The Harmony of Determinism and Freedom, p.330-1
Source: The Limits of Evolution, and Other Essays, Illustrating the Metaphysical Theory of Personal Ideaalism (1905), The Harmony of Determinism and Freedom, p.326
Source: The Limits of Evolution, and Other Essays, Illustrating the Metaphysical Theory of Personal Ideaalism (1905), The Harmony of Determinism and Freedom, p.330-1
Source: Initiation, The Perfecting of Man (1923)
Source: Psychotherapy, East and West (1961), pp. 3-4
An Old Man's Thoughts on Many Things, Of Education I
1990s, Inaugural celebration address (1994)