Jigsaw Paradoxes:


References:

- Stuart Dodgson Collingwood;
  The Lewis Carroll Picture Book,
  T. Fisher Unwin, 1899.
  (Reprint: Dover, 1961, with new title: 
   Diversions and Digressions of Lewis Carroll)

- David Gale;
  Tracking the Automatic Ant,
  Springer Verlag, 1998
  (Chaper 16.Addendum: Jigsaw Paradoxes, 128-130.
   - Jean Brette's multiple reorderings of a right 9x16 triangle)

- Martin Gardner;
  aha! Gotcha Paradoxes to puzzle and delight,
  Freeman, 1982, New York-San Francisco
  (german: Gotcha, Pradoxien f"ur den Homo Ludens, Hugendubel 1985)
  - Randi's carpet, p72-74

- Martin Gardner;
  Ein Vierteljahrhundert Unterhaltungsmathematik,
  Spektrum der Wissenschaft, Nov 1998, 112-119
  - Das Paradox vom verschwundenen Loch, p117

- Ron L. Graham, Donald E. Knuth, Oren Pataschnik;
  Concrete Mathematics,
  Addison Wessley, Reading, 1994, 2nd Ed.
  (Chapter 6.6 Fibonacci Numbers, Excercise 6.75)

- Sam Loyd;
  Cyclopedia of Puzzles,
  Franklin Bigelow Corporation, Morningside Press, New York, 1914
  (pages 288 and 378)

- O. Schl"omilch;
  Ein geometrisches Paradoxon,
  Zeitschrift f"ur Mathematik und Physik 13 (1868) 162

- Warren Weaver;
  Lewis Carroll and a geometrical paradox,
  American Mathematical Monthly 45 (1938) 234-236