National and international problems series.
- Publisher: [publisher not identified]
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 6229069
- Subject:
- Subject code: F
- Publication history: 1-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | no.1-14 1941-1942; no.10,25-26 1941-1945; v.15-23 1941-1945 | permanent |