http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Attorney General guidelines for FBI criminal investigations, national security investigations, and the collection of foreign intelligence
hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Tenth Congress, second session, September 23, 2008
United States. Congress. Senate. Select Committee on Intelligence.