# Simonetta 1474: Regule ad extrahendum litteras zifferatas sine exemplo

> Cicco Simonetta, 1474. 3 records on Mysteries Department cite it. The book applies Simonetta's rules about word endings and the sign that always follows…

Source: https://mysteriesdept.com/sources/SRC08JJAJ4R2FW9/regule-ad-extrahendum-litteras-zifferatas-sine-exemplo  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[Voynich Manuscript](https://mysteriesdept.com/mysteries/voynich-manuscript)Simonetta 1474

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# Regule ad extrahendum litteras zifferatas sine exemplo

Cicco Simonetta, 1474.

Cicco Simonetta's rules for breaking substitution ciphers without a key, written at Pavia in 1474 and edited by Perret in 1890.

**Voynich Manuscript** ManuscriptChecked against the original0

## What it's used for here

The book applies Simonetta's rules about word endings and the sign that always follows q to the manuscript, and notes that they assume visible word divisions.

## Cited by on this site 3 records

[Reading Without a Key](https://mysteriesdept.com/sources/SRC0D8NJAWT22V4/reading-without-a-key)

The book, version 2.0

SRC

[2 methods surveys]

Mixed keys, encoding procedures

SRC

## Cite it

```
Simonetta, C. (1474). Regule ad extrahendum litteras zifferatas sine exemplo.
```

[Read it free at gutenberg.org](https://www.gutenberg.org/ebooks/28227)

Key

**SRC** 08JJAJ4R2FW9

Kind

Manuscript

Rights

public-domain

Checked

Against the published original

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

Bibliographic records are CC0. Take this one as CSL-JSON, BibTeX or RIS.

[CSL-JSON](https://mysteriesdept.com/sources/SRC08JJAJ4R2FW9/regule-ad-extrahendum-litteras-zifferatas-sine-exemplo/csl.json)