See also:

• Arts: Art History: Artists: E: Escher, M. C.  (10)

Crystallographic Topology: - The Topology of Crystallographic Groups and Simple Crystal Structure.

Geometric Topology: - Numerous links in the Geometry Junkyard.

3-Manifolds: - Links to low-dimensional topology resources.

Manifolds and Cell Complexes: - Section 57 in Dave Rusin's Mathematical Atlas.

The Optiverse and Other Sphere Eversions: - Article by John M. Sullivan on sphere eversions, with numerous illustrations.

xxx Math Front: GT Geometric Topology: - Preprints in geometric topology in the Arxiv.