# Railway Mail Service

> mail transportation service in the United States of America during the 19th and 20th centuries

**Wikidata**: [Q107176544](https://www.wikidata.org/wiki/Q107176544)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Railway_Mail_Service)  
**Source**: https://4ort.xyz/entity/railway-mail-service


## References

1. Library of Congress
2. Freebase Data Dumps. 2013
3. Quora
4. National Library of Israel Names and Subjects Authority File