Program: HathiTrust Digital Library
- Publisher: National Trade Extension Bureau of the Plumbing and Heating Industries
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 47078728
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.2:6-12 JE-D(1921); v.3-5(1922-1924); v.6-8(1925-1927); v.9:1(1928)
|
committed to retain | 2022-12-31 | HTDL |
|