- eBookAmusements in MathematicsHenry Ernest Dudeney
- eBookAmusements in MathematicsHenry Ernest Dudeney
- eBookThe Canterbury Puzzles And Other Curious ProblemsHenry Ernest Dudeney
- eBookTHE CANTERBURY PUZZLES & OTHER CURIOUS PROBLEMSHenry Ernest Dudeney
- eBookAmusements in MathematicsHenry Ernest Dudeney
- eBookThe Canterbury Puzzles, and Other Curious ProblemsHenry Ernest Dudeney
- eBookAmusements in MathematicsHenry Ernest Dudeney
- eBookAmusements in MathematicsHenry Ernest Dudeney
- eBookThe Canterbury Puzzles, and Other Curious ProblemsHenry Ernest Dudeney