1. Wear a helmet: be cool Publication: [Illinois? : American Academy of Pediatrics, 19--] Subject(s): Craniocerebral Trauma -- prevention & controlHead Protective DevicesBicyclingChild WelfareUnited States
2. Your blood can save him Publication: [New York? : American Red Cross, 19--?] Subject(s): Blood DonorsWorld War IIMilitary PersonnelBlood BanksHead Protective DevicesFirearmsAmerican National Red Cross.