Proceedings of the annual convention.
- Publisher: MSLF
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 12008746
- Subject: Labor unions Maine Periodicals.
- Subject code: H
- Publication history: 1904-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| Maine State Library Shared Print (MEA) | Maine SC | (1906), (1909-1910), (1913-1920), (1922-1944) | 20280630 |
| Portland Public Library Shared Collections (PPN) | Maine SC | 1918 | 20280630 |