Harold C. Schonberg. «Does Anyone Make a Bad Move In 'Chess'?». New York Times, 08-05-1998. [Consulta: 27 abril 2008]. "Bernie Jacobs, the grand Rhadamanthus of the Shubert Organization, one of the presenters of the musical, says that Bobby originally was the model for the American player but that in the course of events his image got a little diluted."
