Circular.
- Publisher: Library of Congress, Copyright Office
- Print ISSN: 0082-9692
- Electronic ISSN:
- OCLC Number: 1375745
- Subject: Copyright United States Periodicals.
- Subject code:
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| Center for Research Libraries Serials (CRL) | CRLSerials | v.R21 (May 1977); v.R38C (Sept. 1978); - R1, R22, R38a(1977-1985) | |
| HathiTrust (HATHI) | HTDL | no.21; no.92 1985; no.92 1987; no.92 1989; no.92 1991; no.92 1993; no.92 1994; no.92 1996; no.92 2000; no.92 2003 | permanent |