["HISTORY \/ United States \/ 21st Century","HISTORY \/ United States \/ General","American newspapers;Sections, columns, etc.;Front pages;Facsimiles.","September 11 Terrorist Attacks, 2001.","September 11 Terrorist Attacks, 2001;Sources.","21st Century","American newspapers;Sections, columns, etc.;Front pages;Facsimiles.","General","General Adult","HISTORY","HISTORY \/ United States \/ 21st Century","HISTORY \/ United States \/ General","History of the Americas","History\/American","Non-Fiction","Pictorial treatment","September 11 Terrorist Attacks, 2001.","September 11 Terrorist Attacks, 2001;Sources.","United States","History","History of the Americas"]