Crypto Dictionary
Jean-Philippe Aumasson
The Zondervan Encyclopedia of the Bible, Volume 2: D-G
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The Zondervan Encyclopedia of the Bible (2)
Ancient Greece
Kathleen Kuiper
Infinity and the Mind: The Science and Philosophy of the Infinite
Rudy Rucker
Theoretical Computer Science Cheat Sheet
Unknown
The Varieties of Religious Experience: A Study in Human Nature
William James