- PubChem. - Free access via NIH (Alma PID: 61455784500006236)
- Always there the remarkable life of Ruth Lillian Kirschstein, M.D. / Alison F. Davis. - Free access via NIH (Alma PID: 53444355030006236)
- ClinicalTrials.gov : linking patients to medical research / a service of the National Institutes of Health ; developed by the National Library of Medicine. - Free access via NIH (Alma PID: 61646652010006236)