# Tetrabiblos

> essay by Ptolemy

**Wikidata**: [Q1879027](https://www.wikidata.org/wiki/Q1879027)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tetrabiblos)  
**Source**: https://4ort.xyz/entity/tetrabiblos


## References

1. Virtual International Authority File
2. Freebase Data Dumps. 2013
3. Goodreads
4. [Source](https://www.perseus.tufts.edu/hopper/abbrevhelp)