by National Prison Association of the United States. Congress

1898

by Edouard Favre, Karl Hauser, National Committee on Prisons

1917

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

1928

by National Prison Association of the United States, National Prison Association of the United States. Congress

1906

by National Conference on Social Welfare

1886

by United States. National Recovery Administration

1936

by National Committee on Prisons and Prison Labor (U.S.)

1916

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

1919

by National Conference of Commissioners on Uniform State Laws. Meeting

1916

by National Conference on Social Welfare

1891

by National Civic Federation. Woman's Dept

1913

by National Committee on Prisons

1919