The speeches and papers are arranged by session. The first session focused on the work and plans of State and city crime commissions. Individual contributions include a report from the National Crime Commission on the year's work, a report on the work of the special vigilante associations, and a number of reports from individual crime commissions. Also included is a discussion of criminal statistics. The second session was concerned with the elimination of the receiver of stolen goods. Among the contributions are papers on the possibility of using the Interstate Commerce Act in the war on the criminal fence and on the special investigation and plans of the New York State Crime Commission for State legislation regarding the criminal fence. The third session considered the prison labor problem. It included a general discussion and papers on the general problem, the manufacturers' viewpoint on prison labor, the attitude of organized labor, and the States' Use System. In the fourth session, papers focused on the use of probation, the development and needs of probation, parole in theory and practice, parole administration, and the educational and social features of crime causation. A discussion on planning future conferences is also included. The fifth session concerned the substitution of scientific mental examinations of prisoners for the existing system of paid expert medical testimony. Papers focused on the psychiatric point of view, the legal point of view, the background of the Briggs Law, problems in the operation of the law, and views presented in a general discussion. The final session papers focused on securing criminal statistics by State legislation and on the immediate extension of the National Bureau of Criminal Identification. Reports from various commissions and private organizations are included. Footnotes and bibliographies are not present. A participants' list is included.