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

1924

by National Association of Manufacturers (U.S.). Convention

1918

by National Union of Women Workers of Great Britain and Ireland

1912

by National Conference on Social Welfare

1906

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

1912

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

1925

by National Tuberculosis Association

1912

by National Tuberculosis Association

1916

by National Association for the Study and Prevention of Tuberculosis (U.S.)

1916

by National Association of State Universities and Land-Grant Colleges

1926

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

1908

by National Conference on Social Welfare

1921