Otto, Henry John. 1901-
Principles of elementary education / Henry John Otto. - New York : Rinehart, 1949. - xv, 430 p. : ill. ; 24 cm.
Includes bibliographical references.
49008607
Education.
372 / OTP
Principles of elementary education / Henry John Otto. - New York : Rinehart, 1949. - xv, 430 p. : ill. ; 24 cm.
Includes bibliographical references.
49008607
Education.
372 / OTP
