1. Companion to Surgical Studies;Aird,1958
2. Short Practice of Surgery;Bailey,1965
3. The status of lymphadenoid goitre, Hashimoto's and Riedel's diseases;Levitt;Ann. roy. Coll. Surg. Engl.,1952
4. Cecil and Loeb Textbook of Medicine;Muschenheim,1963
5. The Pathogenesis of Tuberculosis;Rich,1951