# Small Brockhaus and Efron Encyclopedic Dictionary. Second Edition. Volume 1, 1907

> comprehensive multi-volume encyclopedia in Russian

**Wikidata**: [Q24718005](https://www.wikidata.org/wiki/Q24718005)  
**Source**: https://4ort.xyz/entity/small-brockhaus-and-efron-encyclopedic-dictionary-second-edition-volume-1-1907