Free Speech and Censorship: A Documentary and Reference Guide
Opinions Throughout History: Free Speech & Censorship
Political Violence in America: Historical Flashpoints and Modern-Day Trends
The Federal Bureau of Investigation: History, Powers, and Controversies of the FBI
Hate Groups: A Reference Handbook
Racism in America: A Reference Handbook
Nationalism Today: Extreme Political Movements around the World
Criminal Justice in America: The Encyclopedia of Crime, Law Enforcement, Courts, and Corrections
Conspiracies and Conspiracy Theories in American History
Hate Groups and Extremist Organizations in America: An Encyclopedia