Program: HathiTrust Digital Library
- Publisher: Puerto Rico Telephone Co.
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 5141216
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1971 DEC 1972 JAN-SEP 1973 JAN-APR,JUL-DEC; 1978 DEC 1979 JAN-APR
|
committed to retain | 2018-02-03 | HTDL |
|