by League of Nations Association (U.S.)

1929

by Buford Jennette Johnson, Esther Elizabeth Strong, John Berne Hannum Carter, Virginia Committee for Research in Secondary Education, Virginia High School League, Clarence Whitaker Holland, Walkley Elmes Johnson, Charles Lavell Miller

1928

by League of Nations Association (U.S.). Educational Department

1930

by League of Nations Non-Partisan Association (U.S.). Educational Department

1927

by North American Civic League for Immigrants. New York-New Jersey Committee. Conference

1913