1. Vital capacity and ability in oral reading;Barnes;Quarterly J. of Speech,1940
2. Respiration and speech in the cerebral palsied child;Blumberg;American J. of Diseases of Children,1955
3. Speech Disorders: Aphasia, Apraxia, and Agnosia;Brain,1965
4. De spraak bij patienten met Parkinsonisme;Cramer;Logopaedie en Phoniatrie,1940
5. Articulatory defects in aphasia;Critchley;J. Laryng. Otol.,1952