Philosophy in a New Key - A Study in the Symbolism of Reason ...
Susanne K. Langer
Multidimensional Mining of Massive Text Data
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Logic, Language, and Meaning, Volume 1: Introduction to Logic
L. T. F. Gamut
Kotzmotz der Zauberer
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The Stanford Mathematics Problem Book: with Hints and Solutions
Jeremy Kilpatrick & György Pólya
Cunningham's Encyclopedia of Magical Herbs
Scott Cunningham