A modern art of education fourteen lectures given in Ilkley, Yorkshire, 5th-17th August, 1923
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
London
Rudolf Steiner Press
1972.
|
| संस्करण: | [3d English] ed., rev. |
| विषय: |