Cunningham, D. (2004). There's something happening here: The New Left, the Klan, and FBI counterintelligence. University of California Press.

Cunningham, David. There's Something Happening Here: The New Left, the Klan, and FBI Counterintelligence. Berkeley: University of California Press, 2004.

Cunningham, David. There's Something Happening Here: The New Left, the Klan, and FBI Counterintelligence. University of California Press, 2004.