Program: HathiTrust Digital Library
- Publisher: Columbian Carbon
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 6854145
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1 1938; v.2 no.1 1940; v.2 no.2
|
committed to retain | 2012-10-11 | HTDL |
|