- E-bookEmergency Childbirth A Reference Guide for Students of the Medical Self-help Training Course, Lesson No. 11United States. Office of Civil Defense
- E-bookEmergency Childbirth A Reference Guide for Students of the Medical Self-help Training Course, Lesson No. 11United States. Office of Civil Defense
- E-bookDiphtheria how to recognize the disease, how to keep from catching it, how to treat those who do catch itUnited States. Public Health Service
- E-bookAdenoidsUnited States. Public Health Service
- E-bookDiphtheria how to recognize the disease, how to keep from catching it, how to treat those who do catch itUnited States. Public Health Service