1. Aphasiology and Other Aspects of left vertebral angiography. Cerebrospinal Language;Critchley, M.,1970
2. Privileged loops from percept to act;McLeod, P.; Posner, M.,1984
3. Souques MA. Palilalie. Rev Neurol 1908;16: 340-2.
4. On palilalia;Critchley, M.;J Neurol Psychopathol
5. Speech Disorders: Aphasia, Apraxia aphasia;Brain, R.;Brain Lang,1984