MATHEMATICS
1-6 The Simplest Mathematics
7-50 Foundations of Mathematics
51-70 Numerical Notation and Analysis
71-74 Combinatorial Analysis
75-90 Algebra
91-93 Calculus of Finite Differences
94-101 Branches and Foundations of Geometry
102-106 Analytic Geometry
107-124 Euclidean and Non-Euclidean Geometry
125-128 Projective Geometry
129-136 Metrical Geometry
137-163 Topical Geometry
164-198 Mathematical Textbooks
199-211 Mathematical Recreations
212-278 Computations and Fragments