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- Geometry, Non-Euclidean (16)
- Geometry (2)
- Geometry, Non-Euclidean--History (2)
- Geometry--History (2)
- Automorphic functions (1)
- Banach spaces (1)
- Convex functions (1)
- Discontinuous groups (1)
- Geometry, Hyperbolic (1)
- Geometry, Plane (1)
- Mathematical physics (1)
- Mind and body (1)
- Reid, Thomas, 1710-1796. An inquiry into the human mind (1)
- Tessellations (Mathematics) (1)
- Trigonmetry (1)