Search Constraints
You searched for:
All Creators
Burgess, Dean B.
Remove constraint All Creators: Burgess, Dean B.
All Creators
Pendergrass, Eugene Percival, 1895-
Remove constraint All Creators: Pendergrass, Eugene Percival, 1895-
All Creators
Reger, Robert B.
Remove constraint All Creators: Reger, Robert B.
Subject Topical
Coal miners--Diseases--United States.
Remove constraint Subject Topical: Coal miners--Diseases--United States.
Subject Topical
Pneumoconiosis.
Remove constraint Subject Topical: Pneumoconiosis.
1 entry found