Gruhn, William T.
The modern junior high school / William Theodore Gruhn and Harl R Douglass. - New York : The ronald press, c 1947. - viii, 492 p. ; 24 cm.
Includes index.
42 42
Junior high schools.
373.2 / G923m
The modern junior high school / William Theodore Gruhn and Harl R Douglass. - New York : The ronald press, c 1947. - viii, 492 p. ; 24 cm.
Includes index.
42 42
Junior high schools.
373.2 / G923m