MedlinePlus: Cephradine Oral
- Provides information on usage, precautions, side effects and brand names when available. Data provided by various government agencies and health-related organizations.
- http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a601205.html

MedlinePlus: Cephradine Injection
- Provides information on usage, precautions, side effects and brand names when available. Data provided by various government agencies and health-related organizations.
- http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a682736.html

Velosef
- Full prescribing information from RxList.
- http://www.rxlist.com/cgi/generic3/cephradine.htm