The news letter on sight conservation.
- Publisher: National Society for the Prevention of Blindness
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 11307999
- Subject:
- Subject code: R
- Publication history: No. 69 (Feb. 1929)-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| Center for Research Libraries Serials (CRL) | CRLSerials | no.69-no.79 (Feb 1929-Nov 1932) |