Search Constraints
You searched for:
All Creators
Baier, Edward J.
Remove constraint All Creators: Baier, Edward J.
Digital Content
No Digital Content
Remove constraint Digital Content: No Digital Content
All Subjects
Coal mines and mining--Pennsylvania.
Remove constraint All Subjects: Coal mines and mining--Pennsylvania.
All Subjects
Pneumoconiosis.
Remove constraint All Subjects: Pneumoconiosis.
All Subjects
Respiratory organs--Obstructions.
Remove constraint All Subjects: Respiratory organs--Obstructions.
1 entry found