1
by Purpura, Philip P, 1950-
Published 2007
Subjects: ...Internal security -- United States...
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2
by Shapiro, Ian.
Published 2007
Subjects: ...Terrorism -- Prevention -- Government policy -- United States....
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3
by Donohue, Laura K, 1969-
Published 2008
Subjects: ...National security -- Law and legislation -- United States....
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