September 11 Terrorist Attacks, 2001 (Topical Term)
- 911 Terrorist Attacks, 2001
- Attack on America, 2001 (September 11 Terrorist Attacks)
- Nine-Eleven Terrorist Attacks, 2001
- Pentagon (Va.) Terrorist Attack, 2001
- Pentagon-World Trade Center Terrorist Attacks, 2001
- Terrorist Attacks, September 11, 2001
- World Trade Center (New York, N.Y.) Terrorist Attack, 2001
- World Trade Center-Pentagon Terrorist Attacks, 2001
- Broader heading: Hijacking of aircraft
- Broader heading: Terrorism United States
New York Times, Sept. 12, 2001 (terrorist attacks; Sept. 11 terrorist attacks)
New York Times on the Web, Sept. 12-17, 2001 (terrorist attacks; attack on America; Sept. 11 terrorist attacks; Sept. 11 terror attacks; Sept. 11 terrorism)
Washington Post, Sept. 12, 2001 (terrorist attacks; attack on America; Sept. 11 terrorist attacks)
NBC News television broadcasts, Sept. 11-17, 2001 (attack on America)
Alltheweb search, Oct. 5, 2001 (911 terrorist attacks; 9/11 terrorist attacks)
WWW, June 28, 2005 (Nine-Eleven terrorist attacks)
Here are entered works on the attacks by terrorists on the World Trade Center in New York City and the Pentagon outside Washington, D.C., using three hijacked commercial jetliners, and on the crash of a fourth hijacked jetliner in a rural area of Pennsylvania on September 11, 2001.