# William E. Echard
**Wikidata**: [Q114568292](https://www.wikidata.org/wiki/Q114568292)  
**Source**: https://4ort.xyz/entity/william-e-echard


## References

1. Catalog of the German National Library
2. Virtual International Authority File
3. CiNii Research
4. BnF authorities
5. Catalogo of the National Library of India