O'Brien, J. A. (1921). Silent reading, with special reference to methods for developing speed: A study in the psychology and pedagogy of reading. The Macmillan company.

O'Brien, John A. Silent Reading, with Special Reference to Methods for Developing Speed: A Study in the Psychology and Pedagogy of Reading. New York: The Macmillan company, 1921.

O'Brien, John A. Silent Reading, with Special Reference to Methods for Developing Speed: A Study in the Psychology and Pedagogy of Reading. The Macmillan company, 1921.