# Willis Tower

> skyscraper in Chicago, Illinois

**Wikidata**: [Q29294](https://www.wikidata.org/wiki/Q29294)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Willis_Tower)  
**Source**: https://4ort.xyz/entity/willis-tower


## References

1. archINFORM
2. Freebase Data Dumps. 2013
3. [Source](http://www.willistower.com/location/)
4. [Source](http://www.emporis.com/building/willis-tower-chicago-il-usa)
5. GeoNames
6. [Source](http://www.skyscrapercenter.com/building/willis-tower/169)
7. BabelNet
8. [Source](https://maps.google.com/?cid=76400451808431229)
9. [Source](https://www.archinform.net/service/wd_aipro.php)
10. National Library of Israel Names and Subjects Authority File