# F. A. Ėttinger
**Wikidata**: [Q18615046](https://www.wikidata.org/wiki/Q18615046)  
**Source**: https://4ort.xyz/entity/f-a-ttinger


## References

1. [Source](http://www.nasledie-smolensk.ru/pkns/index.php?option=com_content&task=view&id=1867&Itemid=61)
2. Virtual International Authority File
3. Russian Biographical Dictionary