Search Constraints
You searched for:
All Creators
Kaplan, Kenneth C.
Remove constraint All Creators: Kaplan, Kenneth C.
All Creators
Lapp, N. LeRoy.
Remove constraint All Creators: Lapp, N. LeRoy.
All Creators
Morgan, William Keith C.
Remove constraint All Creators: Morgan, William Keith C.
All Subjects
Lungs--Dust diseases.
Remove constraint All Subjects: Lungs--Dust diseases.
All Subjects
Pneumoconiosis.
Remove constraint All Subjects: Pneumoconiosis.
Subject Topical
Coal miners--Diseases.
Remove constraint Subject Topical: Coal miners--Diseases.
1 entry found