Secretary's report 1957-1959. XVIIth PTTI-Congress 18-22 July, 1960, Vienna
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
Postal, Telegraph and Telephone International,
n.d.
Berne : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/9EB954F8-0D0B-4601-93D6-63737C715717 |
| Published: | n.d. |
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