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Dirk Holtbrügge
Principia Mathematica Vol 2.
Bertrand Russell & Alfred North Whitehead
Computational Complexity of Logical Theories
Jeanne Ferrante & Charlis W. Rackoff
Psychology and Epistemology: Towards a Theory of Knowledge
Jean Piaget
Yours, Jack: Spiritual Direction From C.S. Lewis
C. S. Lewis
A Greek Grammar for Schools and Colleges - Scholar's Choice ...
Herbert Weir Smyth
The Works of John Locke, Volume 6
John Locke