1925. Partial Contents: Part I Ways of Attaining Knowledge: The Six Methods of Logic; The Method of Authoritarianism; The Method of Mysticism; The Methods of Rationalism and Empiricism; The Method of Pragmatism; The Method of Scepticism; Ententes and Alliances-The Federation of the Methods; Part II Ways of Interpreting Knowledge: The Three Methods of Epistemology; The Method of Objectivism; The Method of Epistemological Dualism; The Method of Subjectivism; and A Reinterpretation and Reconciliation of the Three Methods of Epistemology.