Marie A. Mehl & Hubert H. Mills, edited by Harl R. Douglass.
Teaching in elementary school.
R679551. Teaching in elementary school. By Marie A. Mehl & Hubert H. Mills, edited by Harl R. Douglass. © 24Feb50; A41208. Marie A. Mehl & Hubert H. Mills (A); 8Dec77; R679551.
Marie A. Mehl & Hubert H. Mills|A