Search Constraints
You searched for:
Creator Personal Names
Beatty, J. A.
Remove constraint Creator Personal Names: Beatty, J. A.
Creator Personal Names
Crawford, George M.
Remove constraint Creator Personal Names: Crawford, George M.
All Subjects
Pneumoconiosis.
Remove constraint All Subjects: Pneumoconiosis.
Subject Topical
Chest radiography.
Remove constraint Subject Topical: Chest radiography.
Subject Topical
Coal mines and mining--Pennsylvania.
Remove constraint Subject Topical: Coal mines and mining--Pennsylvania.
Subject Topical
Pneumoconiosis.
Remove constraint Subject Topical: Pneumoconiosis.
Subject Topical
Respiratory organs--Obstructions.
Remove constraint Subject Topical: Respiratory organs--Obstructions.
1 entry found