# Population reports. Series I, Periodic abstinence

> journal

**Wikidata**: [Q27710681](https://www.wikidata.org/wiki/Q27710681)  
**Source**: https://4ort.xyz/entity/population-reports-series-i-periodic-abstinence


## References

1. [Library of Congress Online Catalog](https://lccn.loc.gov/86645619)
2. SUDOC
3. ISSN Portal
4. National Collective Archive of Periodicals
5. Source