The Opera companion.
- Publisher: J. Keolker
- Print ISSN: 0889-9398
- Electronic ISSN:
- OCLC Number: 9287861
- Subject: Opera California San Francisco Periodicals.
- Subject code: M
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1983; 1987-1990 | permanent |