Subjects
- Blankenship vs. Boyle.1
- Coal miners1
- Coal mining - Medical care.1
- Correspondence1
- Dental care1
- Dentists1
- Drugs and druggists.1
- Federal Coal Mine Health and Safety Act 1969.1
- Genealogy2
- Health services.1
- Hospitals and hospital records.1
- Hospitals and sanitariums.1
- Land grants1
- Lungs -- Dust diseases1
- Medicine. SEE ALSO Folk medicine.1