# William D. Backus
**Wikidata**: [Q112442655](https://www.wikidata.org/wiki/Q112442655)  
**Source**: https://4ort.xyz/entity/william-d-backus


## References

1. Czech National Authority Database
2. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810669143905606)