The Dukes of Buckingham and Chandos
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Copyleft

Copyleft is a concept that seeks to preserve an author's intellectual property right to be acknowledged as the originator of a piece of work. At the same time, copyleft:
  • allows that work to be freely copied and improved
  • providing that due acknowledgment is made to the original author.
Copyleft began in the world of computer software but has much broader applicability to printed texts, web sites and other works of intellect. dukesofbuckingham.org.uk is subject to copyleft, which means that permission is granted to all to:
  • make one or more copies of any of the pages of the site for research, education or other purposes
  • copy the pages onto other websites, newsgroups, etc. or use them in articles, newsletters, etc.
  • make modified copies of these pages in any way that enhances the quality and integrity of the pages as statements of historical fact and interpretation.
This permission is freely granted on condition that one of the following statements accompanies each copy or modification:

The requirement for a date is simply that this site is under continual development.  I have retained copyright for a few diagrams and text pages on this site. These are clearly marked. To my knowledge, no copyright images or texts are included on this site, except with permission as stated, or where I have used short quotations in line with usual academic practice. Where pages extensively draw on printed or Internet sources, this is stated. Where other peoples' copyright applies, this is also stated.Finally, if you like this idea—why not use it for your work? After all, this statement is copyleft...

Copyleft

Notes

A related concept is the GNU Free Documentation Licence. I use copyleft because it is based on a simple statement of ethics and responsibility, not a lengthy legal treatise.

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