Subject Topical
- Coal miners--Diseases--Epidemiology.1
- Coal miners--Diseases--History.1
- Coal miners--Diseases--Kentucky.1
- Coal miners--Diseases--Pennsylvania--Research.1
- Coal miners--Diseases--Pennsylvania.10
- Coal miners--Diseases--Prevention and control.1
- Coal miners--Diseases--Research.3
- Coal miners--Diseases--Rocky Mountain Regions.1
- Coal miners--Diseases--United States.2
- Coal miners--Diseases--Virginia.1
- Coal miners--Diseases--West Virginia--McDowell County.1
- Coal miners--Diseases--West Virginia.1
- Coal miners--Diseases.15
- Coal miners--Dust diseases--Prevention and control.1
- Coal miners--Employment--West Virginia.1
- Coal miners--Great Britain.2
- Coal miners--Labor unions--United States--Periodicals.1
- Coal miners--Labor unions--United States.2
- Coal miners--Labor unions--West Virginia.2
- Coal miners--Medical care--United States.2