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Anna Barham | Step Into Tangram Rule / Henry Dudeney (Strand Magazine, London 1908-1917) (2008-2010) | Available for Sale | Artsy
Amusements in Mathematics (Annotated): Dudeney, Henry Ernest: 9798667178668: Amazon.com: Books
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Sliding Block Puzzles - The E Puzzle
Henry Ernst Dudeney and Sam Loyd
Dudeney's Dissection (Triangle to Square) | 3D CAD Model Library | GrabCAD
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Henry Ernest Dudeney (1857 - 1930) - Biography - MacTutor History of Mathematics