Transitive perfect colorings of 2-uniform tilings מאת Felix, Rene P.

Structure of materials an introduction to crystallography, diffraction, and symmetry מאת De Graef, Marc, McHenry, Michael E.

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Available for University of the Philippines System via Cambridge University Press. Click here to access

Colorings of regular tilings with a singular center מאת Evidente, Imogene

Structure of materials an introduction to crystallography, diffraction and symmetry מאת De Graef, Marc, McHenry, Michael E.

Coloring symmetrical patterns מאת Rapanut, Teofina A.

Symmetry in science an introduction to the general theory מאת Rosen, Joe, 1937-

The dynamics of ambiguity מאת Caglioti, Giuseppe

Geodel, Escher, Bach an eternal golden braid מאת Hofstadter, Douglas R. 1945-

What is symmetryn מאת Sitomer, Mindel

Geometry and symmetry מאת Yale, Paul B.