by United States. National Youth Administration

1944

by United States. National Youth Administration

1937

by United States. National Youth Administration

1938

by United States. Bureau of Employees' Compensation

1926

by United States. Congress. House

1929

by United States. Congress. Senate. Committee on Appropriations

1930

by United States. President's Commission on Higher Education

1947

by National Education Association of the United States. Department of Rural Education

1930

by United States. Children's Bureau

1920

by United States. Superintendent of Documents

1928

by United States. Bureau of Biological Survey

1902