1. Opacification Studies of Normal and Abnormal Paranasal Sinuses;Etter;Amer. Jour. Roentgenol. Rad. Ther. Nucl. Med.,1963
2. Complicated Acute Sinusitis;Quick;The Laryngoscope,1972
3. An Unusual Case of Chronic Frontal Sinusitis;Freeman;The Laryngoscope,1972
4. The Intranasal Ethmoidectomy Procedure: Historical, Technical and Clinical Consideration;Eichel;The Laryngoscope,1972