# World War I cryptography
**Wikidata**: [Q4241182](https://www.wikidata.org/wiki/Q4241182)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/World_War_I_cryptography)  
**Source**: https://4ort.xyz/entity/world-war-i-cryptography


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. National Library of Israel Names and Subjects Authority File