Epistemology: The Key Thinkers
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The Knowledge Acquisition and Representation Language, KARL
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Philosophy of Space & Time, Part II
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Writings of Leon Trotsky (1932)
Leon Trotsky
Queen Mary I: A Life From Beginning to End (Biographies of British ...
Hourly History
The Year of Reading Dangerously: How Fifty Great Books (and ...
Miller, Andy