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• EDUCATION—INTELLECTUAL, MORAL, AND PHYSICAL.
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• ILLUSTRATIONS OF UNIVERSAL PROGRESS; A SERIES
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• PRINCIPLES OF BIOLOGY. In Quarterly Parts, by Subscription.
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• ESSAYS—MORAL, POLITICAL, AND ÆSTHETIC. 1 vol.,
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• THE CLASSIFICATION OF THE SCIENCES; to which are added
  Reasons for Dissenting from the Philosophy of M. Comte.
  

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