Search Constraints
You searched for:
All Creators
Ortmeyer, Carl E.
Remove constraint All Creators: Ortmeyer, Carl E.
All Subjects
Coal mines and mining--Pennsylvania.
Remove constraint All Subjects: Coal mines and mining--Pennsylvania.
Subject Topical
Coal miners--Diseases--Pennsylvania.
Remove constraint Subject Topical: Coal miners--Diseases--Pennsylvania.
Subject Topical
Coal mines and mining--Pennsylvania.
Remove constraint Subject Topical: Coal mines and mining--Pennsylvania.
Subject Topical
Pneumoconiosis.
Remove constraint Subject Topical: Pneumoconiosis.
1 entry found