# B-6

> 1931 bomber aircraft series by Keystone

**Wikidata**: [Q2060302](https://www.wikidata.org/wiki/Q2060302)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Keystone_B-6)  
**Source**: https://4ort.xyz/entity/b-6


## References

1. Freebase Data Dumps. 2013
2. Jane's American Fighting Aircraft of the 20th Century