# T'ung-tzu

> 1:250,000 China topographic series map (L500 NH48-16) produced by the Army Map Service, 12/1963

**Wikidata**: [Q99436373](https://www.wikidata.org/wiki/Q99436373)  
**Source**: https://4ort.xyz/entity/t-ung-tzu


## References

1. [Source](http://id.lib.harvard.edu/alma/990094028280203941/catalog)
2. [Source](http://id.lib.harvard.edu/fgdc/AMS7810_S250_U54_NH48_16/catalog)