1. In your hands Publication: [Los Angeles, Calif.] : University of Southern California, Cinema Department, [1953] Subject(s): Food Contamination -- prevention & controlHand Disinfection -- methodsFood Handling -- methods
2. Aseptic technique: handwashing Publication: [Washington, DC] : The Bureau, [1959] Subject(s): Cross Infection -- prevention & controlHand Disinfection -- methods
