Program: HathiTrust Digital Library
- Publisher: National District Heating Association
- Print ISSN: 0097-2606
- Electronic ISSN:
- OCLC Number: 1427061
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-3 (1915-18); v.4-8 1918-23; v.9-10 1923-25; v.11 1925-26; v.12 1926-27; v.13 1927-28; v.14-15 1928-30; v.16-17 1930-32; v.18-21 1932-36; v.22-25 1936-40; v.26-27 1940-42; v.28-29 1942-44; v.30-31 1944-46; v.32-35 1946-50; v.36-38
|
committed to retain | 2023-01-28 | HTDL |
|