Books and Articles

• https://johnrausch.com/PuzzleWorld/books/books.htm

• https://johnrausch.com/PuzzleWorld/art/articles.htm

• Ariel Hanaor, "Tensegrity: Theory and Application," in Gabriel, Beyond the Cube, 1997.

• Schoen, and Tom Rodgers, A.K. Peters, 2009, pp. 187-210

• Jerry Slocum and Jack Botermans, Puzzles Old and New, Plenary Publications, 1986

• Early Japanese Export Puzzles 1860s to 1960s by Jerry Slocum and Rik van Grol

Puzzle Designers and Craftsmen

• https://johnrausch.com/PuzzleWorld/des/desncrft.htm

Puzzle Categories and International References

• https://johnrausch.com/PuzzleWorld/cat/category.htm

• https://www.puzzlemuseum.com/index.html

• https://chinesepuzzles.org

• https://momath.org/mathmonday/

• https://www.puzzlewarehouse.com/history-of-puzzles/

• https://archive.org/details/puzzlesoldnew00hoff/page/n2/mode/1up?q=1

• https://johnrausch.com/PuzzlingWorld/default.htm

• https://johnrausch.com/PuzzleWorld/msc/miscellaneous.htm

• http://www.georgehart.com

• https://web.archive.org/web/20130805045721/http://www.pentangle-puzzles.co.uk/
  acatalog/WoodChuck_Puzzles.html

• Nick Baxter, web auction,
http://puzzles.baxterweb.com/

• Indiana University, Slocum Collection,
http://www.indiana.edu/~liblilly/overview/puzzles.shtml

• Mathematica,
http://www.wolfram.com

• https://www.youtube.com/watch?v=o7LmHDQZ4jg

• https://www.youtube.com/watch?v=DpAgmkDTvJU

• https://youtu.be/35rFxtXwUz0

• https://www.tacitgames.in