# Arcanum

> papal encyclical by Pope Leo XIII

**Wikidata**: [Q631715](https://www.wikidata.org/wiki/Q631715)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Arcanum_(encyclical))  
**Source**: https://4ort.xyz/entity/arcanum-q631715


## References

1. Freebase Data Dumps. 2013