1. Der Mensch und die Sonne Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, [2010] Subject(s): HeliotherapyNudismGymnastics
2. [Water nude and gymnastics training] Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, [2010] Subject(s): HeliotherapyNudismGymnastics
3. Herwonnen levenskracht: brengt zon in het leven der tuberculeuzen Publication: [Netherlands : s.n., 19--] Subject(s): TuberculosisHeliotherapySunlight
