GUGene UllmanBooks and models by this designerModels 2Books 2Books (2)All books that include models by this designer.Origami USA Convention 19901990Models: 109OUSAOrigami USA Convention 19921992Models: 123OUSAModels (2)All models by this designer.Bow tieOrigami USA Convention 1990 · p. 75FrogOrigami USA Convention 1992 · p. 138