Manley, R. M. (1931). Synthetic philosophy: The nature of space, time, matter, mind and life, as it has been portrayed by the world's greatest thinkers, systematized into a rational pattern. [s.n.
Cita Chicago (17th ed.)Manley, R. M. Synthetic Philosophy: The Nature of Space, Time, Matter, Mind and Life, as It Has Been Portrayed by the World's Greatest Thinkers, Systematized into a Rational Pattern. [Cleveland: [s.n, 1931.
Cita MLA (9th ed.)Manley, R. M. Synthetic Philosophy: The Nature of Space, Time, Matter, Mind and Life, as It Has Been Portrayed by the World's Greatest Thinkers, Systematized into a Rational Pattern. [s.n, 1931.
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