Search Constraints
You searched for:
Creator Personal Names
Bristol, Leonard J.
Remove constraint Creator Personal Names: Bristol, Leonard J.
Creator Personal Names
Pendergrass, Eugene Percival, 1895-
Remove constraint Creator Personal Names: Pendergrass, Eugene Percival, 1895-
All Creators
Bristol, Leonard J.
Remove constraint All Creators: Bristol, Leonard J.
Subject Topical
Coal miners--Diseases--Diagnosis.
Remove constraint Subject Topical: Coal miners--Diseases--Diagnosis.
Subject Topical
Lungs--Dust diseases--Diagnosis.
Remove constraint Subject Topical: Lungs--Dust diseases--Diagnosis.
Subject Topical
Pneumoconiosis.
Remove constraint Subject Topical: Pneumoconiosis.
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