Mental efficiency series.
- Publisher: Funk & Wagnalls
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 20519768
- Subject: Conduct of life.
- Subject code: B
- Publication history: Vol. 1-v.10.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | v.2 1915; v.5 1915 | permanent |