History 3 Public Health Nursing history 3 History, 20th Century 2 MEDICAL 2 Public Health 2 Public health nursing 2 1800s 1 1900s 1 Administration 1 Advertising 1 Affective disorders 1 Audio-visual aids 1 Audiovisual Aids 1 Communication in public health 1 Disease Outbreaks 1 Epidemics 1 Global Health 1 Health Care Reform 1 Health Promotion 1 Health Risk Assessment 1 Health and hygiene 1 Health care reform 1 Health education 1 Health promotion 1 History of Medicine 1 Hookworm Infections 1 Indians of North America 1 Indians, North American 1 Indigenous peoples 1