Unidad.
- Publisher: [Empresa Periodística UNIDAD]
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 2246412
- Subject: Social security Chile Periodicals.
- Subject code: H
- Publication history: Began in July 1940.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | no.211,217-18,221-24,234-35 | permanent |