# O. P. Zier

> Austrian writer

**Wikidata**: [Q88066](https://www.wikidata.org/wiki/Q88066)  
**Source**: https://4ort.xyz/entity/o-p-zier


## References

1. BnF authorities
2. International Standard Name Identifier
3. Integrated Authority File
4. Czech National Authority Database
5. Virtual International Authority File
6. [Source](http://archiv.bachmannpreis.orf.at/25_jahre/1978/autoren_1978.htm)
7. [BnF authorities](http://data.bnf.fr/ark:/12148/cb14650878x)
8. National Library of Israel Names and Subjects Authority File