16 more
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Naive Lie Theory -
Classical topology and combinatorial group theory -
Elements of Mathematics: From Euclid to Godel -
The Four Pillars of Geometry (Undergraduate Texts in Mathematics)
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Elements of Number Theory -
The four pillars of geometry -
Roads to infinity -
Reverse Mathematics
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Numbers and geometry -
Geometry of Surfaces -
Elements of Algebra -
Algebraic Number Theory for Beginners
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Story of Proof
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Sources of hyperbolic geometry -
The Real Numbers An Introduction To Set Theory And Analysis -
Concise History of Mathematics for Philosophers .