Orton, S. T. (1937). Reading, writing and speech problems in children: A presentation of certain types of disorders in the development of the language faculty. W. W. Norton & company, inc..

Orton, Samuel Torrey. Reading, Writing and Speech Problems in Children: A Presentation of Certain Types of Disorders in the Development of the Language Faculty. New York: W. W. Norton & company, inc., 1937.

Orton, Samuel Torrey. Reading, Writing and Speech Problems in Children: A Presentation of Certain Types of Disorders in the Development of the Language Faculty. W. W. Norton & company, inc., 1937.