| Title: | Universal Postal Union Agreement concerning Insured Letters and Boxes |
| Subject: | UNIVERSAL POSTAL UNION (UPU) |
| Relation: | League of Nations Treaty Series Vol. 175 (p.5)/0: 0||none |
| Relation: | PRO (now TNA) FO 93/1/179/0: 0||none |
| Relation: | League of Nations Registration 4049/0: 0||none |
| Relation: | Other 59-69/1934: 0||none |
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| Open Document File |