Principles of elementary education/
Otto, Henry John, 1901-
Principles of elementary education/ by Henry J. Otto, Hazel Floyd and Margaret Rouse. - Revision edition. - New York: Greenwood Press, 1955. - 455 pages: illustrations; 24 cm.
0837124395
Education, Elementary.
Principles of elementary education/ by Henry J. Otto, Hazel Floyd and Margaret Rouse. - Revision edition. - New York: Greenwood Press, 1955. - 455 pages: illustrations; 24 cm.
0837124395
Education, Elementary.
