1. Über Emphysem des Mediastinum;Mueller;Klin. Wchnschr,1888
2. Spontaneous Interstitial Emphysema of the Lungs;Hamman;Trans. Assoc. Am. Physiol,1937
3. Acute Mediastinal Emphysema;Schwartz;Ann. Int. Med,1946
4. Essays in Biology;Macklin,1943
5. Spontaneous Mediastinal and Subcutaneous Emphysema Comlicating Bronchial Asthma;Schwartz;J. Allergy,1945