- Table, Robinson Crusoe's, 142, 240.
- Table, The Round, 137, 236.
- Talkhys, 198.
- Tapestry, Cutting the, 30.
- Tapiser's Puzzle, The, 30, 167.
- Teacups, The Three, 87, 205.
- Tea Tins, The Five, 137, 237.
- Thirty-one Game, The, 125, 224.
- Tiled Hearth, The Riddle of the, 71, 195.
- Tilting at the Ring, 59, 185.
- Tour, The English, 134, 233.
- Towns, Visiting the, 134.
- Tramps and the Biscuits, The, 160, 250.
- Treasure, The Buried, 107, 212.
- Trees, The Sixteen Oak, 44.
- Triangle and Square, 49.
- Triangles of Equal Area, 153, 246.
- Triangular numbers, 163.
- Tube Railway, The, 149, 243.
- Unicursal and Route Problems, 40, 45, 48, 56, 60, 83, 90, 105, 127, 134, 149.
- Weaver's Puzzle, The, 35, 171.
- Weekly Dispatch, 179, 221.
- Weighing, and Packing Puzzles, Measuring. See Measuring.
- Wife of Bath's Riddles, The, 27, 166.
- Window, The Donjon Keep, 62, 188.
- Wine, Stealing the, 73.
- Wizard's Arithmetic, The, 129, 226.
- Wood Block, Cutting a, 160, 250.
- Wreath on Column, 146, 241.
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