Author
SpringerLink (Online Service)
11
SpringerLink (Online service)
11
United States. Department of Homeland Security. Office of Inspector General
10
United States. Department of Homeland Security,
9
United States. Department of Homeland Security. Office of Inspector General,
9
United States. Department of Homeland Security
6
United States. Transportation Security Administration
5
Oxford Scholarship Online
4
EBSCOhost
3
National Institute of Justice (U.S.)
3
National Research Council (U.S.). Committee on Science and Technology for Countering Terrorism
3
ScienceDirect (Online service)
3
United States. Congress. Senate. Committee on Foreign Relations
3
United States. Department of Homeland Security. Privacy Office,
3
Army War College (U.S.). Strategic Studies Institute,
2
English, Richard, 1963-
2
Hamilton, Lee
2
Kean, Thomas H.
2
Mitchell, Faith, 1952-
2
National Commission on Terrorist Attacks upon the United States
2
National Threat Assessment Center (U.S.),
2
Oxford Scholarship Online (Online Service)
2
Smelser, Neil J.
2
Spaaij, R. F. J.
2
Subrahmanian, V. S.,
2
United States. Congress. House. Committee on International Relations
2
United States. Department of Justice. Office of the Inspector General
2
United States. Department of Transportation
2
Alexander, Yonah
1
Allison, Graham T.
1
Anzovin, Steven
1
Army War College (U.S.). Press,
1
Army War College (U.S.). Strategic Studies Institute
1
Baecher, Gregory B.
1
Belfer Center for Science and International Affairs
1
Bergen, Peter, 1962-
1
Blackstone, Erwin A., 1942-
1
Bonen-Clark, Jacob,
1
Brauner, Florian,
1
Brown, James F.,
1
Brown, Katherine E.,
1
Bunker, Robert J.,
1
Bush, George W. 1946-
1
Carrera, Sergio (Political scientist),
1
Center of Military History,
1
Chalk, Peter
1
Chenoweth, Erica, 1980-
1
Citizen Corps (USA Freedom Corps)
1
Clarke, Michael, 1977-
1
Clarke, R. V. G.
1
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