1
Published 2012
Cambridge University Press
Subjects: ...National security / Law and legislation...

2
Published 2017
Intersentia
Subjects: ...National security / European Union countries...

3
Published 2010
Cambridge University Press
Subjects: ...National security...

4
Published 2020
Cambridge University Press
Subjects: ...National security / Law and legislation / United States...

5
Published 2017
Cambridge University Press
Subjects: ...United States / National Security Agency/Central Security Service...