A modern art of education fourteen lectures given in Ilkley, Yorkshire, 5th-17th August, 1923
| Huvudupphovsman: | |
|---|---|
| Materialtyp: | Bok |
| Språk: | English |
| Publicerad: |
London
Rudolf Steiner Press
1972.
|
| Upplaga: | [3d English] ed., rev. |
| Ämnen: |