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- Films for the Humanities & Sciences (Firm)60
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- United States. Congress. House. Committee on Homeland Security. Subcommittee on Cybersecurity, Infrastructure Protection, and Security Technologies, author17
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- Library of Congress. Congressional Research Service, issuing body12
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- United States. Congress. House. Committee on Armed Services. Subcommittee on Emerging Threats and Capabilities11
- United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs, author10
- Deibert, Ronald9
- Practising Law Institute, issuing body8
- ProQuest (Firm)8
- United States. Congress. House. Committee on Armed Services. Subcommittee on Terrorism, Unconventional Threats, and Capabilities8
- United States. Congress. House. Committee on Homeland Security. Subcommittee on Cybersecurity and Infrastructure Protection, author8
- Jordan, Tim, 1959-7
- Kello, Lucas7
- Libicki, Martin C.7
- Shackelford, Scott J.7