- 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