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|All Authors / Contributors:||
Edward L Thorndike; Laura Hall Vere Kennon; Helen Slocomb Eaton; Columbia University. Teachers College. Institute of Psychological Research.; International Auxiliary Language Association.
|Notes:||"The work was directed and supervised by Dr. Edward L. Thorndike and carried out chiefly by Dr. Laura H.V. Kennon ... The summary, made up of excerpts from the full report, was worked out by Helen S. Eaton."--Preface.|
|Description:||vii, 59 pages 24 cm|