D. Premack and G. Woodruff, “Does the Chimpanzee Have a Theory of Mind?” BBS 1 (1978): 515. Данные «против»: D. Povinelli and J. Vonk, “Chimpanzee Minds: Suspiciously Human?” TICS 7 (2003): 157. Данные «за»: B. Hare et al., “Do Chimpanzees Know What Conspecifics Know and Do Not Know?” Animal Behav 61 (2001): 139. К сноске: L. Santo Let al., “Rhesus Monkeys (Macaca mulatta) Know What Others Can and Cannot Hear,” Animal Behav 71 (2006): 1175.