"Electronic Surveillance," Chapter 28, Cato Handbook for Policymakers, 7th Edition (2009).
"National ID Systems," Chapter 29, Cato Handbook for Policymakers, 7th Edition (2009).
"Telecommunications, Broadband, and Media Policy," Chapter 37, Cato Handbook for Policymakers, 7th Edition (2009).
Identity Crisis: How Identification Is Overused and Misunderstood, by Jim Harper (May 2006).
"National ID Cards," Chapter 27, Cato Handbook on Policy, 6th ed. (2005).
"Regulation of Electronic Speech and Commerce," Chapter 14, Cato Handbook for Congress: Policy Recommendations for the 108th Congress (2003).
"National ID Cards and Military Tribunals," Chapter 13, Cato Handbook for Congress: Policy Recommendations for the 108th Congress (2003).
"Homeland Security," Chapter 6, Cato Handbook for Congress: Policy Recommendations for the 108th Congress (2003).
"Privacy and Private Sector Databases," Chapter 17, Cato Handbook for Congress: Policy Recommendations for the 107th Congress (2001).
"Encryption and Wiretapping," Chapter 18, Cato Handbook for Congress: Policy Recommendations for the 107th Congress (2001).
Economic Casualties: How U.S. Foreign Policy Undermines Trade, Growth, and Liberty, edited by Solveig Singleton and Daniel T. Griswold (1999).