Calter, Paul, The Platonic Solids, Lecture Notes: Geometry in Art and Architecture, Dartmouth College, 1998 [2019-09-21], (原始内容存档于2019-09-16)
digitalcommonwealth.org
Stars, Boston Public Library Print Department, [2018-05-08], (原始内容存档于2018-05-09)
doi.org
Coxeter, H. S. M., A special book review: M. C. Escher: His life and complete graphic work, The Mathematical Intelligencer, 1985, 7 (1): 59–69, doi:10.1007/BF03023010 Coxeter's analysis of Stars is on pp. 61–62.