The following sources were consulted in the preparation of the article “Why zippers were once considered scandalous.”
- A 1930s Fashion History Lesson: Goddess Gowns, Surrealism, and More Trends of the Escapist Era
- Sundback’s Modern Slide Zipper Patent Model, 1915
- The Talk of the Town: Zipper Boom
- The Up and Down History of the Zipper