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Introduction to the Study of Philosophy
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The Life of Immanuel Kant
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The History of the Augsburg Confession: From Its Origin Till the Adoption of the Formula of Concord
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Christian Sociology
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Tendencies in German Thought
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Sociology: The Science of Human Society, Volume 2
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The Final Science: Or, Spiritual Materialism
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The Age and the Church: Being a Study of the Age, and of the Adaptation of the Church to Its Needs
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Introduction to the Study of Sociology
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Sociology: The Science of Human Society, Volume 1
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