Hecht's Web Site: Origami Stuff
- Diagrams and gallery of the artist's own models, mostly of US Dollar folds, as well as some designed by others.
- http://www.serve.com/hecht/origami/

Money Origami
- Illustrated instructions for making several designs out of dollar bills.
- http://members.cox.net/crandall11/money/

Bob's Billfolds
- Gallery of models, including one in 360-degree VR view. Video instructions for making a catapult and information on Chinese money folds.
- http://www.wgn.net/~nienhuis/