Photo of the participants. Place of persons named indicated on back
Photo of the participants. Place of persons named indicated on back.
| Institution: | International Institute of Social History |
|---|---|
| Format: | IMAGE |
| Published: |
1928, July.
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/C2B9DC3A-7EBE-4A70-A544-5862DE2EDCA4 |