Ort work at the beginning of the school year 1952-1953 :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Geneva,
1952.
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/F17BA844-480E-49DB-A8B9-2B8F138A11BF |
| Published: | 1952. |
|---|