Turning information into action. CORE, abgerufen am 4. Dezember 2016: „The Center for Organizational Research and Education (CORE) is a 501(c)(3) nonprofit dedicated to research and education about a wide variety of activist groups, exposing their funding, agendas, and tactics“
Jen Schneider, Steve Schwarze, Peter K. Bsumek, Jennifer Peeples: The Hypocite's Trap. In: Under Pressure (= Palgrave Studies in Media and Environmental Communication). Palgrave Macmillan UK, 2016, doi:10.1057/978-1-137-53315-9_5.
Eric Lipton: Hard-Nosed Advice From Veteran Lobbyist: ‘Win Ugly or Lose Pretty’. In: New York Times. 30. Oktober 2014, abgerufen am 4. Dezember 2016: „‚People always ask me one question all the time: ‘How do I know that I won’t be found out as a supporter of what you’re doing?’ ‘ Mr. Berman told the crowd. ‚We run all of this stuff through nonprofit organizations that are insulated from having to disclose donors. There is total anonymity. People don’t know who supports us.‘“