The markup samples in sisu-markup-samples are installed to
/usr/share/doc/sisu/v2/markup-samples-non-free and
/usr/share/doc/sisu/v1/markup-samples-non-free respectively

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: <http://faifzilla.org/>
  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: <http://www.gnu.org/copyleft/fdl.html>

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 be
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: <http://www.free-culture.cc>
  Author: Lawrence Lessig
    URL: <http://www.lessig.org/>
  Copyright: Lawrence Lessig, 2004
  License: Attribution-Noncommercial (CC-BY-NC) 1.0
    URL: <http://creativecommons.org/licenses/by-nc/1.0/>

  Text: The Wealth of Networks - How Social Production Transforms Markets and Freedom
    URL: <http://cyber.law.harvard.edu/wealth_of_networks/Main_Page>
  Author: Yochai Benkler
    URL: <http://www.benkler.org/>
  Copyright: 2006 Yochai Benkler
  License: Attribution-Noncommercial-Share Alike (CC-BY-NC-SA) 2.5
    URL: <http://creativecommons.org/licenses/by-nc-sa/2.5/>

  Text: Democratizing Innovation
    URL: <http://web.mit.edu/evhippel/www/democ1.htm>
  Author: Eric von Hippel
    URL: <http://web.mit.edu/evhippel/www/>
  Copyright: 2005 Eric von Hippel
  License: Attribution-Noncommercial-No Derivative Works (CC-BY-NC-ND) 2.0
    URL: <http://creativecommons.org/licenses/by-nc-nd/2.0/>

  Text: Two Bits - The Cultural Significance of Free Software
    URL: <http://twobits.net/>
  Author: Christopher Kelty
    URL: <http://kelty.org/>
  Copyright: Duke University Press, 2008
  License: Attribution-Noncommercial-Share Alike (CC-BY-NC-SA) 3.0
    URL: <http://creativecommons.org/licenses/by-nc-sa/3.0/>

  Text: Free For All - How Linux and the Free Software Movement Undercut the High Tech Titans
    URL: <http://www.wayner.org/books/ffa>
  Author: Peter Wayner
    URL: <http://www.wayner.org>
  Copyright: Peter Wayner, 2000
  License: Attribution-Noncommercial (CC-BY-NC) 1.0
    URL: <http://creativecommons.org/licenses/by-nc/1.0/>

  Text: The Cathederal and the Bazaar
    URL: <http://www.catb.org/~esr/writings/cathedral-bazaar/cathedral-bazaar/>
  Author: Eric Raymond
    URL: <http://www.catb.org/~esr>
  Copyright: Eric S Raymond, 2000
  License:  Open Publication License, v 2.0
    URL:

  Text: CONTENT - Selected Essays on Technology, Creativity, Copyright and the Future of the Future
    URL: <http://craphound.com/content>
  Author: Cory Doctorow
    URL: <http://craphound.com>
  Copyright: Cory Doctorow, 2008
  License: Attribution-Noncommercial-Share Alike (CC-BY-NC-SA) 3.0
    URL: <http://creativecommons.org/licenses/by-nc-sa/3.0/>

  Text: Little Brother
    URL: <http://craphound.com/littlebrother>
  Author: Cory Doctorow
    URL: <http://craphound.com>
  Copyright: Cory Doctorow, 2008
  License: Attribution-Noncommercial-Share Alike (CC-BY-NC-SA) 3.0
    URL: <http://creativecommons.org/licenses/by-nc-sa/3.0/>

  Text: Accelerando
    URL: <http://www.accelerando.org/>
  Author: Charles Stross
    URL: <http://www.antipope.org/charlie/>
  Copyright: Charles Stross, 2005
  License: Attribution-Noncommercial-No Derivative Works (CC-BY-NC-ND) 2.0
    URL: <http://creativecommons.org/licenses/by-nc-nd/2.0/>
  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: <http://www.un.org/>
  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
  <http://www.jus.uio.no/sisu>
  <http://www.jus.uio.no/sisu/SiSU/examples.html>