# Lasry 2023: Armand de Bourbon’s Poly-Homophonic Cipher – 1649

> George Lasry, 2023. 1 records on Mysteries Department cite it. Cited in the mixed-keys survey, which notes the cipherer's habit of reusing a single…

Source: https://mysteriesdept.com/sources/SRC0D8MRR1P34RD/armand-de-bourbons-poly-homophonic-cipher-1649  
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[Sources](https://mysteriesdept.com/sources)[Voynich Manuscript](https://mysteriesdept.com/mysteries/voynich-manuscript)Lasry 2023

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# Armand de Bourbon’s Poly-Homophonic Cipher – 1649

George Lasry, 2023. _International Conference on Historical Cryptology_.

Deciphers two letters written in March 1649 by the Prince de Conti, one of the leaders of the Fronde, in a cipher where a letter can have several symbols and a symbol can stand for several letters.

**Voynich Manuscript** Articledoi: **[10.3384/ecp195699](https://doi.org/10.3384/ecp195699)** Checked against the original0

## What it's used for here

Cited in the mixed-keys survey, which notes the cipherer's habit of reusing a single homophone.

## Cited by on this site 1 record

[1 methods surveys]

Mixed keys

SRC

## Cite it

```
Lasry, G. (2023). Armand de Bourbon’s Poly-Homophonic Cipher – 1649. International Conference on Historical Cryptology. https://doi.org/10.3384/ecp195699
```

[Read it free at doi.org](https://doi.org/10.3384/ecp195699)[PDF stored here · 8 pages](https://mysteriesdept.com/sources/SRC0D8MRR1P34RD/armand-de-bourbons-poly-homophonic-cipher-1649/pdf)

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Key

**SRC** 0D8MRR1P34RD

Kind

Journal article

Rights

CC-BY-4.0

Checked

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