Bibliography
- rec.puzzles (amoeba, boy.girl.dog, bug, camel, date.dice, monty.and.waldo, mr.s+mr.p, points.on.sphere, spot)
- Wolfram MathWorld (angel.problem)
- [wu : riddles] (antipodal, cigarettes, code.hack, firing.squad, forcefield.detainment, happy.numbers, lion, prisoners-switch, prisoners.hats, slash.and.dash, submarine, typewriter)
- Futility Closet (boxing.day)
- Perplex City (domino.dilemma)
- The Grey Labyrinth (least.unique.game)
- Math Olympiad (mark.square)
- Rule0/Riddles (pirate)
- Judea Pearl. Probabilistic Reasoning in Intelligent Systems: Networks of Plausible Inference. 1988 Morgan Kaufmann. (prisoners)
- Car Talk (prisoners-switch)
- Problem of the Fortnight, CS at San Diego State University. (square.cut.2)
- Martin Gardner. My Best Mathematical and Logic Puzzles. 1994 Dover Publications (termite)