1. First partial report on Project no. 24--study of head protection for tank crews Author(s): Brackett, Frederick S. (Frederick Sumner), 1896-1988, authorRoberts, Lester B., authorMann, Wendell E., author Publication: Fort Knox, Kentucky : Armored Medical Research Laboratory, 13 June 1945 Subject(s): Craniocerebral Trauma -- prevention & controlHead Protective DevicesMilitary PersonnelMotor VehiclesWorld War IIUnited States