Sir Samuel Morland's Machina Cyclologica Cryptographica. Buonafalce, A. Cryptologia, 28(3):253--264, 2004.
Sir Samuel Morland's Machina Cyclologica Cryptographica [link]Paper  doi  abstract   bibtex   
A 17th century treatise featuring several cryptographic methods includes a cipher device used to perform an autokey.
@article{buonafalce_sir_2004,
	title = {Sir {Samuel} {Morland}'s {Machina} {Cyclologica} {Cryptographica}},
	volume = {28},
	issn = {0161-1194},
	url = {http://www.tandfonline.com/doi/abs/10.1080/0161-110491892917},
	doi = {10.1080/0161-110491892917},
	abstract = {A 17th century treatise featuring several cryptographic methods includes a cipher device used to perform an autokey.},
	number = {3},
	urldate = {2012-09-02TZ},
	journal = {Cryptologia},
	author = {Buonafalce, Augusto},
	year = {2004},
	keywords = {cryptography, cryptography -- early modern},
	pages = {253--264}
}

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