The Brothers Adventures (Norman Sandfield, Robert Sandfield)
Sandfield Joint Puzzle - IPP 14 (Robert Sandfield)
Dovetail & A Half - IPP 15 (Robert Sandfield)
Corollary-Dovetail Joint Puzzle - IPP 15 (Norman Sandfield)
Dovetail Donut - IPP 16 (Robert Sandfield)
The Spider's Secret Puzzle Box - IPP 16 (Robert Sandfield)
Bolted Dovetail - IPP 17 (Robert Sandfield)
DoveTangle - IPP 17 (Norman Sandfield)
Fat & Thin Triple Dovetail Puzzle - IPP 18 (Robert Sandfield)
Pharaoh's Secret - IPP 18 (Norman Sandfield)
L-Bow Dovetail - IPP 19 (Norman Sandfield)
Cutaway Double Dovetail - IPP 19 (Robert Sandfield)
Dovetail Burr Puzzle - IPP 20 (Robert Sandfield)
DoveTail Bar Puzzle - IPP 20 (Norman Sandfield)
Pepper Shaker - IPP 22 (Robert Sandfield)
Salt Shaker - IPP 22 (Norman Sandfield)
Dovetail Jewel Box - IPP 23 (Robert Sandfield)
Dovetail Cherry Surprise Cake - IPP 23 (Norman Sandfield)
Six Ways In - No Way Out - IPP 24 (Robert Sandfield)
Double Locked Briefcase - IPP 24 (Norman Sandfield)
Hangman's Puzzle - IPP 25 (Robert Sandfield)
Bollixed Briefcase - IPP 25 (Norman Sandfield, Kathleen Malcolmson)
Four Triangles & a Ball - IPP 26 (Robert Sandfield)
Bowling Alley in a Briefcase - IPP 26 (Norman Sandfield)
Unlocked Drawer - IPP 27 (Robert Sandfield)
Banded Dovetail Puzzle - IPP 29 (Robert Sandfield)
Locked Drawer Puzzle - IPP 30 (Robert Sandfield)
ReBanded Dovetails - IPP 32 (Robert Sandfield)
Three-layer Double Dovetail - IPP 34 (Robert Sandfield)
Secret Folding Hankie - IPP 35 (Robert Sandfield)
Head and Dove-tail - IPP 36 (Robert Sandfield)
Case in Point - IPP 38 (Norman Sandfield, Perry McDaniel)