Papers

• Recent Results for the Panex Puzzle, Nick Baxter, G4G5, April, 2002 and revised November 2008 (confirmation of X₉ by David Bagley added).
• Some Results on the Panex Puzzle, Mark Manasse, Danny Sleator, and Victor K. Wei, originally unpublished (1983); edited by Nick Baxter (v1.d, April 28, 2002).
• The Panex Puzzle, Mark Manasse, Danny Sleator, Victor K. Wei, and Nick Baxter, published in 2004 in A Tribute to a Mathemagician (published by AK Peters).

Web Sites

• Panex Applet, by David Bagley, http://gwyn.tux.org/~bagleyd/java/PanexApp.html.
• Panex Puzzle (level 4 only), By Emmett Henderson, http://www.cheesygames.com/panex/, and uncredited at numerous other sites.

Other Publications

• Nesting Puzzle, Part 1: Moving Oriental Towers, by Vladimir Dubrovsky, Quantum Jan/Feb 1996,  pp 53-57, 49-51.
• Puzzles Old & New, by Jerry Slocum & Jack Botermans, Plenary Publications International, 1986, p 135.
• Sliding Piece Puzzles, by L.E. Hordern, Oxford University Press 1986, pp 144-145, 220.