United States, War Department. TM 9-710 Basic Half-Track Vehicles (White, Autocar, and Diamond T). Washington, DC: War Department, 1944. Zaloga, Steven
Government, Departmentof Infrastructure and Regional Development. (原始内容存档于2015-01-01). Environment, Health & Transportation: MotorVehicles and Air Pollution
Police#Consolidation of State Controlled Police Agencies)。该部门是车辆交通执法机构,现在成为麻州交通部的一部分,由交通部直接管辖。它相当于其它很多州的机动车部门(英语:DepartmentofMotorVehicles),旨在为司机颁发驾照并为机动车进行注册。