Bird observer.
- Publisher: Bird Observer of Eastern Massachusetts
- Print ISSN: 0893-4630
- Electronic ISSN: 0893-4630
- OCLC Number: 15634118
- Subject: Birds Massachusetts Periodicals.
- Subject code: QL
- Publication history: Vol. 15, no. 1 (Feb. 1987)-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | v.15-16 1987-88; v.17-18 1989-90; v.19-20 1991-92; v.21-22 1993-94; v.23-24 1995-96; v.25-26 1997-98; v.27-28 1999-2000; v.29 2001; v.30 2002; v.31 Inc. 2003; v.32 2004; v.33 2005; v.34 2006 | permanent |