by National Conference on Social Welfare

1920

by National Council on Crime and Delinquency

1920

by National Probation Association (U.S.)

1923

by National Conference of Charities and Correction (U.S.). Annual Session

1913

by National Committee on Prisons. Committee on the care and training of delinquent women and girls

1927

by National Council on Crime and Delinquency

1920

by National Committee on Prisons and Prison Labor

1911

by National Child Labor Committee (U.S.)

1914

by National Conference of Social Work (U.S.). Annual Session

1924

by National Probation Association (U.S.)

1927

by National Prison Association of the United States

1874

by National Institute of Social Sciences (U.S.)

1919