Project Gutenberg 2013-03-10 Public domain in the USA. 45 Jacob, P. L. 1806 1884 Lacroix, Paul Jacob, Paul L. Dufour, Pierre Jacob, Bibliophile Jacob, Paul Lacroix 96140672 La Cryptographie, ou, l'art d'écrire en chiffres Produced by Laurent Vogel, Christine P. Travers and the Online Distributed Proofreading Team at http://www.pgdp.net (This book was produced from scanned images of public domain material from the Google Print project.) file:///public/vhost/g/gutenberg/html/files/42297/42297-h/images/cover-page.jpg fr Cryptography Ciphers Signs and symbols Z Text FR Sciences et Techniques Browsing: Computers & Technology Browsing: Science - General 332061 331872 2024-08-17T16:21:01.767040 2023-09-18T10:57:45.638712 text/html text/html 323920 2013-03-10T13:26:56 text/html; charset=iso-8859-1 325427 2013-03-10T13:26:58 text/html; charset=iso-8859-1 application/zip 337835 2024-08-17T16:21:10.052455 application/epub+zip 337000 2024-08-17T16:21:03.189982 application/epub+zip 160699 2024-08-17T16:21:02.483019 application/epub+zip 458246 2024-08-17T16:21:14.460443 application/x-mobipocket-ebook 421833 2024-08-17T16:21:09.249510 application/x-mobipocket-ebook 248898 2022-09-19T10:27:40.026476 application/x-mobipocket-ebook 246208 245981 2024-08-17T16:20:59.948011 2023-09-18T10:57:43.956665 text/plain; charset=us-ascii text/plain 240533 2013-03-10T13:26:20 text/plain; charset=iso-8859-1 93850 2013-03-10T13:26:58 text/plain; charset=iso-8859-1 application/zip 19050 2024-08-17T16:21:14.626435 application/rdf+xml 12695 2024-08-17T16:21:02.604986 image/jpeg 2414 2024-08-17T16:21:02.543991 image/jpeg 350471 2024-08-17T16:21:01.845992 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog fr.wikipedia en.wikipedia