1. Nielsen JM. Agnosia, apraxia, aphasia: their value in cerebral localization (second edition, completely revised). New York: Hafner Publishing Company, Inc.; 1962.
2. Geschwind N. Selected papers on language and the brain. Berlin: Springer; 1974.
3. Geschwind N. The varieties of naming disorders. Cortex. 1967;3:97–112.
4. Benson DF, Ardila A. Aphasia: a clinical perspective. New York: Oxford University Press; 1996.
5. Freud S. Zur Auffassung der Aphasien: Eine kritische Studie. Leipzig: F. Deuticke; 1891.