1. “The Anatomy of the Bronchial Tree,”;Brock,1946
2. “Atelectatic Bronchiectasis of the Right Middle Lobe,”;Doig;Tubercle,1946
3. “Broncholithiasis: Report of Ten Cases,”;Fox;Ann. Int. Med.,1945
4. “Active Bronchopulmonary Lithiasis,”;Freedman;Radiology,1949
5. “Middle Lobe Syndrome,”;Graham;Postgraduate Med.,1948