The package sisu contains a few documents published under the GPL or that are Debian Free Software Guideline license compatible, notably: Text: Free as in Freedom - Richard Stallman's Crusade for Free Software URL: Author: Sam Williams Copyright: Sam Williams 2002 License: Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Document License, Version 1.1 or any later version published by the Free Software Foundation; with the Invariant Sections being no invariant sections, with the Front-Cover Texts being no invariant sections, and with the Back-Cover Texts being no invariant sections URL: A few additional sample books prepared as sisu markup samples, output formats to be generated using SiSU are contained in a separate package sisu_markup_samples sisu_markup_samples contains gpl content and additional material released under various licenses mostly different Creative Commons licences that do not permit inclusion in the Debian Project as they do not meet the DFSG for various reasons, most commonly in that they require the original substantive text me maintained and often that the works be used only non-commercially Free as in Freedom - Richard Stallman's Crusade for Free Software, Sam Williams, [as above] Text: Free Culture - How Big Media Uses Technology and the Law to Lock Down Culture and Control Creativity URL: Author: Lawrence Lessig URL: Copyright: Lawrence Lessig, 2004 License: URL: Text: The Wealth of Networks - How Social Production Transforms Markets and Freedom URL: Author: Yochai Benkler URL: Copyright: 2006 Yochai Benkler License: URL: Text: Two Bits - The Cultural Significance of Free Software URL: Author: Christopher Kelty URL: Copyright: Duke University Press, 2008 License: URL: Text: Free For All - How Linux and the Free Software Movement Undercut the High Tech Titans URL: Author: Peter Wayner URL: Copyright: Peter Wayner, 2000 License: URL: Text: The Cathederal and the Bazaar URL: Author: Eric Raymond URL: Copyright: Eric S Raymond, 2000 License: Open Publication License, v 2.0 URL: Text: Little Brother URL: Author: Cory Doctorow URL: Copyright: Cory Doctorow, 2008 License: URL: Text: Accelerando URL: Author: Charles Stross URL: Copyright: Charles Stross, 2005 License: URL: Note: The SiSU preparation (presentations) of Accelerando are done with the kind permission of the author Charles Stross Text: UN Contracts for International Sale of Goods Author: UN, UNCITRAL URL: Copyright: License: Most additional material contained in sisu_markup_samples were published under various Creative Commons licenses, check the rights section of each document for the copyright and license, or the COPYRIGHT file associated with the package for a listing of material and their associated licenses. A few document more markup samples can be found at