Heer, Jeet (4 de abril de 2008). «The Caped Crusader: Frederic Wertham and the Campaign Against Comic Books». Slate. Archivado desde el original el 27 de mayo de 2017. Consultado el 6 de marzo de 2013. «Still, Hajdu is right to point out that Wertham's ideas of proof were extremely primitive, more forensic than scientific. (Wertham had often testified in court cases, which skewed his sense of evidence.) Wertham thought he could prove his point by stringing together many anecdotes collected from his clinical research, making his claims virtually unverifiable.»
Heer, Jeet (4 de abril de 2008). «The Caped Crusader: Frederic Wertham and the Campaign Against Comic Books». Slate. Archivado desde el original el 27 de mayo de 2017. Consultado el 6 de marzo de 2013. «Still, Hajdu is right to point out that Wertham's ideas of proof were extremely primitive, more forensic than scientific. (Wertham had often testified in court cases, which skewed his sense of evidence.) Wertham thought he could prove his point by stringing together many anecdotes collected from his clinical research, making his claims virtually unverifiable.»