# De Furtivis Literarum Notis

> 1563 book on cryptography

**Wikidata**: [Q104840764](https://www.wikidata.org/wiki/Q104840764)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/De_Furtivis_Literarum_Notis)  
**Source**: https://4ort.xyz/entity/de-furtivis-literarum-notis