# Materialism and Empirio-criticism

> 1909 essay by Lenin

**Wikidata**: [Q706081](https://www.wikidata.org/wiki/Q706081)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Materialism_and_Empirio-criticism)  
**Source**: https://4ort.xyz/entity/materialism-and-empirio-criticism


## References

1. Freebase Data Dumps. 2013
2. Virtual International Authority File
3. Goodreads