Basic ideas of Montessori's educational theory : extracts from Maria Montessori's writings and teachings /
Maria Montessori ; originally compiled by Paul Oswald and Gunter Schulz-Benesch ; translated from the German by Lawrence Salmon.
- viii, 208 pages : illustrations ; 20 cm.
- The Clio Montessori series ; v. 14 .
- Clio Montessori series ; v. 14. .