- Richerand2
- Ricord2
- Robert Pope, M.D2
- Robertus Fludd2
- Robertus Fludd, Alias de Fluctibus2
- Rocky Mountain Laboratory, Hamilton, Montana2
- Rondeletius2
- Rostan2
- SIDA2
- Saint Agnes Hospital, Fond du Lac, WI: Aerial view2
- Saint Anthony Hospital, Oklahoma City, OK: Doctor and nurse attending a patient2
- Saint Anthony Hospital, Oklahoma City, OK: Emergency entrance2
- Saint Bartholomew's Hospital, London, England: Front view2
- Saint Bartholomew's Hospital, London, England: General view2
- Saint Bartholomew's Hospital, London, England: The Square at St. Barts2
- Sal Hepatica2
- Sanitary engineering: Health Department laying tile drains, Panama Canal2
- Scarlet Fever: This Notice is Posted in Compliance with Law2
- School Of Aviation Medicine. Randolph Field Texas. (Front View)2
- Scope for people with cerebral palsy2