International mail.
- Publisher: United States Postal Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 2784635
- Subject: Postal service International cooperation.
- Subject code: H
- Publication history: 1970-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1970-79; no.4; no.5; no.6; no.7; no.8; no.9; no.10; no.11; no.12; no.13; no.14; no.15; no.16; no.17; no.18; no.19 | permanent |