Contributing Authors Include Lela Barnes, Edward Bumgardner, Thomas C. Wells, And George A. Root.

Contributing Authors Include Berlin B. Chapman, Edward R. DeZurko, And Waldo W. Braden.

Contributing Authors Include Gladys Dodd, James C. Malin, Lela Barnes, And Louise Barry.

Contributing Authors Include Robert Taft, George A. Root, Russell Hickman, And Kirke Mechem.

Contributing Authors Include Louise Barry, James C. Malin, William B. Faherty, And Helen M. McFarland.

Contributing Authors Include Martha B. Caldwell, Sheldon Jackson, Kirke Mechem, Helen M. McFarland And Many Others.

Contributing Authors Include Walker D. Wyman, Samuel A. Johnson, And Marvin H. Garfield.

Contributing Authors Include John Francis McDermott And Martha Caldwell.

Contributing Authors Include Esther Clark Hill, Marvin H. Garfield, George A. Root And Helen M. McFarland.

Contributing Authors Include J. T. Willard, Dean Trickett, And Helen M. McFarland.

Contributing Authors Include Louise Barry, Russell K. Hickman, And Martha B. Caldwell.

Contributing Authors Include Emory Lindquist, Lorene Anderson, Alan W. Farley, Theo. H. Scheffer, And James W. Covington.

Contributing Authors Include George L. Anderson, Louise Barry, Joseph W. Snell And Many Others.

Contributing Authors Include Walker D. Wyman, George A. Root, Samuel A. Johnson, Martha B. Caldwell, And Kirke Mechem.

Contributing Authors Include George A. Root And Russell K. Hickman.

Contributing Authors Include Robert Taft, Lee Howard, And Ray H. Sandefur.

Contributing Authors Include James C. Malin And Cora Dolbee.

Contributing Authors Include George A. Root And Russell K. Hickman.

Contributing Authors Include Robert Taft, George A. Root, William Stanley Hoole, Thomas Amory Lee, O. W. Mosher, Jr. And Kirke Mechem.

Contributing Authors Include Cora Dolbee, George A. Root, Marie A. Olson, James C. Malin And Helen M. McFarland.

Contributing Authors Include Wallace S. Baldinger, Louise Barry, James C. Malin, And Kirke Mechem.

Contributing Authors Include Douglas C. McMurtrie, Walker D. Wyman, George A. Root And Marvin H. Garfield.

Contributing Authors Include Alberta Pantle And Kirke Mechem.