# John Aldred Hayward

> New Zealand hydrologist (1938–1993)

**Wikidata**: [Q110987997](https://www.wikidata.org/wiki/Q110987997)  
**Source**: https://4ort.xyz/entity/john-aldred-hayward


## References

1. [Source](https://livingheritage.lincoln.ac.nz/nodes/view/4659)
2. [Source](https://hdl.handle.net/10182/5011)
3. [Source](https://hdl.handle.net/10182/1653)
4. [Source](https://livingheritage.lincoln.ac.nz/nodes/view/26770)
5. [Source](https://hdl.handle.net/10182/1971)
6. [Source](http://hdl.handle.net/10092/4782)
7. NZ Births Deaths and Marriages online
8. [Source](https://hdl.handle.net/10182/4626)
9. [Source](https://hdl.handle.net/10182/4638)
10. [Source](https://hdl.handle.net/10182/2924)
11. [Source](https://hdl.handle.net/10182/2035)