Samuel Paul Capen

United States. Bureau of Education, Charles Alpheus Bennett, William Thomas Bawden, National Education Association of the United States. Commission on the Reorganization of Secondary Schools, Samuel Paul Capen, Carl Raymond Woodward, Lewis Alvin Kalbach, Alva Otis Neal

United States. Office of Education, Arthur Jay Klein, Charles Robinson Toothaker, John Joseph Mahoney, National Education Association of the United States. Commission on the Reorganization of Secondary Education, National Education Association of the United States. Commission on the Reorganization of Secondary Schools, Samuel Paul Capen

United States. Office of Education, Arthur Jay Klein, Charles Robinson Toothaker, John Joseph Mahoney, National Education Association of the United States. Commission on the Reorganization of Secondary Education, National Education Association of the United States. Commission on the Reorganization of Secondary Schools, Samuel Paul Capen

Charles Riborg Mann, Samuel Paul Capen, George Frederick Zook

United States. Office of Education, Arthur Jay Klein, Charles Robinson Toothaker, John Joseph Mahoney, National Education Association of the United States. Commission on the Reorganization of Secondary Education, National Education Association of the United States. Commission on the Reorganization of Secondary Schools, Samuel Paul Capen