1. An Outbreak of Puerperal Sepsis in New York City;Watson B. P.;American Journal of Obstetrics and Gynecology,1928
2. Post Partum Pelvic Infections;Watson B. P.;American Journal of Obstetrics and Gynecology,1928
3. Further Investigation into the Source of Infection in Puerperal Fever;Smith J.;The Journal of Obstetrics and Gynœcology of the British Empire,1933
4. De Lee: “Principles and Practice of Obstetrics” Sixth Edition 1933.
5. HenryJellett: “The Causes and Prevention of Maternal Mortality” 1929.