Actas.
- Publisher: Oficina Internacional del Trabajo
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 214292333
- Subject: Working class America Congresses.
- Subject code: H
- Publication history: Began in 1956.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1952; 1961; 1966 | permanent |