50 jaar Zonnestraal 12 juni 1928 - 12 juni 1978
| Institution: | International Institute of Social History |
|---|---|
| Format: | AUDIO |
| Published: |
1978, 12 juni
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/B9E94123-58FD-412D-8B02-94A0C02AA8A1 |