Didier Enjary (2007, brickshelf.com)
The Unofficial LEGO Advanced Building Techniques Guide
Hinges as Jumper
Hinge Brick 1 x 2 Locking with 1 Finger Vertical End Hinge Brick 1 x 2 Locking with 1 Finger Vertical End and 2 Fingers Vertical End Hinge Brick 1 x 2 Locking with 2 Fingers Vertical End Hinge Brick 2 x 2 Locking with 1 Finger Vertical and Axle Hole Hinge Brick 2 x 2 Locking with 2 Fingers Vertical and Axle Hole Hinge Plate 1 x 2 Locking with 1 Finger On End Hinge Plate 1 x 2 Locking with 1 Finger on Side Hinge Plate 1 x 2 Locking with 2 Fingers On End Hinge Plate 1 x 2 Locking with 2 Fingers on Side Hinge Plate 1 x 2 with 2 Fingers Hinge Plate 1 x 2 with 3 Fingers Hinge Plate 1 x 2 with 3 Fingers On Side