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Letter from Edwin L. McKinney, Chicago, Illinois, to Dr. Leonidas H. Berry,

saying he is a graduate student at George Williams College, a teacher in the field of physical education and recreation, and wants to do research on drug addiction and juvenile delinquency for his master's thesis; asks if Dr. Berry can provide information to him on the availability and accessibility of pertinent data and areas where research would be of practical value

Courtesy National Library of Medicine