Program: HathiTrust Digital Library
- Publisher: Lead Development Association ; Lead Industries Association
- Print ISSN: 0023-9569
- Electronic ISSN:
- OCLC Number: 8632289
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.10 1970; v.11 1971; v.12 1972; v.13 1973; v.14-15 1974-1975; v.16 1976; v.17 1977; v.18 1978; index 1976
|
committed to retain | 2013-04-26 | HTDL |
|