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You searched for: Creator Personal Names Jacobson, George. Remove constraint Creator Personal Names: Jacobson, George. Creator Personal Names Pendergrass, Eugene Percival, 1895- Remove constraint Creator Personal Names: Pendergrass, Eugene Percival, 1895- All Creators Shoub, Earle P. Remove constraint All Creators: Shoub, Earle P. Subject Topical Coal miners--Diseases--United States. Remove constraint Subject Topical: Coal miners--Diseases--United States. Subject Topical Lungs--Dust diseases. Remove constraint Subject Topical: Lungs--Dust diseases. Subject Topical Pneumoconiosis. Remove constraint Subject Topical: Pneumoconiosis.

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