Browse Items (1 total) Browse All Browse by Tag Search Items Tags: Hart E. Van Riper Sort by: Title Creator Date Added "Mum on Report Salk is Perfect" Tags: 1955, Children, Hart E. Van Riper, Jonas E. Salk, Polio, Polio Vaccine, Salk Vaccine, Science Medicine and Healthcare, Thomas Francis Jr., Vaccination Output Formats atom, dcmes-xml, json, omeka-xml, rss2