Books about Hygiene (sorted alphabetically)
- Old Age Deferred Arnold Lorand
- Philosophy of Health; Volume 1 (of 2) Southwood Smith
- Philosophy of Health; Volume 2 (of 2) Southwood Smith
- Preventable Diseases Woods Hutchinson
- Prolongation of Life: Optimistic Studies Elie Metchnikoff
- Renlighet och frisk luft (Swedish) Hjalmar Öhrvall
- Royal Road to Health; or, the Secret of Health Without Drugs Chas. A. Tyrrell
- Royal Road to Health; Or, the Secret of Health Without Drugs Chas. A. Tyrrell
- Searchlights on Health: The Science of Eugenics B. G. Jefferis and J. L. Nichols
- So sollt ihr leben! Winke und Rathschläge für Gesunde und Kranke... (German) Sebastian Kneipp
- Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) Calvin Cutter
- Veien til Skjønhed, Sundhed og et Langt Liv (Norwegian) Boyd Laynard
- vénülés elhárítása és az élet meghosszabbítása (Hungarian) Arnold Lorand
- Vitality Supreme Bernarr Macfadden