If you wish to use excerpts of any of my articles in a commercial work, including printed material, advertisements, or ebooks, please contact me (check the sidebar of any of my articles).

If the material quoted is limited to one article I do not ask for remuneration; however I do require attribution, if not immediately after the material, then in an appendix with a indication of the page or pages the material appears in - for example: here is an excerpt from an article of mine and the printed attribution:

Many more people have died in Hollywood Westerns than ever died in the rootin', tootin', gun-totin', gun-slingin',free-for-all, anyone-can-pack-a-gun wild wild west. Know why? Because law-abiding citizens could defend themselves.

Planck's Constant Blog: More Guns - not fewer is the Answer to West Virginia Massacre, http://plancksconstant.org/blog1/2007/04/more_guns_not_fewer.html (18 Apr 2007).

Any variation of my blog name, title of article, URL, and article date is acceptable. Attribution Font size must not be smaller than 50% of the size of the quoted material.

After publication of your book, I would appreciate a note informing me the title of your work. I will link to it and possibly write a blog article referencing it.

For non-commercial use of my articles click here.

Revised 2 Mar 2012