1. Human population and the disease factor in the development of Nigeria;Ajaegbu,1975
2. A History of the Nigerian Health Services;Schram,1971
3. On the ecology of child nutrition and health in Nigerian villages. II. Dietary and medical surveys;Collis;Trop. geogr. Med.,1962
4. Distribution of selected communicable diseases in the tropical and subtropical areas of the world;Gelman,1976
5. Exotic Diseases in Practice;Maegraith,1965