FM 27-15 Basic Field Manual, Military Law, Domestic Disturbances 1941-02-06 "This manual is limited to a brief presentation of such of the principles of the law governing the employment of Federal military forces in aid of the civil authorities as the troops in camp or field, in time of war or domestic disturbance, ordinarily may have need to know and apply. The general principles and methods of employment of troops and materiel as stated in this manual apply equally to any armed force used for this purpose. Topics include military aid to civil authorities, employment of troops in civil disturbances, and use of chemicals in domestic disturbances." Digitized by the Combined Arms Research Library (CARL) Digital Library, US Army Combined Arms Center. http://cgsc.cdmhost.com/cdm/, "United States of America, War Office.", "War Department"--Cover, "February 6, 1941"--Cover, Includes Changes no. 2, 28 January 1944 (12 p. : ill. ; 17 cm.), Includes index, Cover title