Day, Lewis F. Pattern Design: A Book for Students, Treating in a Practical Way of the Anatomy, Planning, and Evolution of Repeated Ornament. New York: Taplinger Publishing Co., 1979.

Day, Lewis F. Pattern Design: A Book for Students, Treating in a Practical Way of the Anatomy, Planning, and Evolution of Repeated Ornament. New York: Taplinger Publishing Co., 1979.