# They Knew Too Much About Flying Saucers

> 1956 book by Gray Barker

**Wikidata**: [Q110517069](https://www.wikidata.org/wiki/Q110517069)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/They_Knew_Too_Much_About_Flying_Saucers)  
**Source**: https://4ort.xyz/entity/they-knew-too-much-about-flying-saucers


## References

1. [Source](https://archive.org/details/catalogofcopyrig3101libr/page/926/mode/2up?q=%22They+Knew+Too+Much+About+Flying+Saucers%22)