Clasificación de la Biblioteca del CongresoGV450-451.4
⮑ GV. Recreation. Leisure
⮑ GV1-1860. Recreation. Leisure
⮑ GV201-555. Physical education and training
⮑ GV450-451.4. Nudism. Sunbathing
Obras Selectas (53 en total)
- North American Guide to Nude Recreation (North American Guide to Nude Recreation: The Most Comprehensive Listing of Nude Recreation ...) por American S* Association
- The Naked Child Growing Up Without Shame/Social Nudity/Its Effect on Children por Dennis Craig Smith
- Nudist Society: The Controversial Study of the Clothes-Free Naturist Movement in America por William E. Hartman