http://www.langorigami.com
Origami^4
Origami Design Secrets (2nd Edition)
Origami^7 - 1: art/edu/sci
Origami^7 - 2: mathematics
Origami^7 - 3: engineering one
Origami^7 - 4: engineering two
Twists, Tilings, and Tessellations: Mathematical Methods for Geometric Origami
Skunk
Panda
Mouse
Golden Eagle
Desert Tortoise
Rabbit
Horsefly
Black Widow
Reindeer
Butterfly
Praying Mantis
Crab
Dolphin
Fish