The website is intended to serve the larger community. We encourage you to make ample use of our resources, within the limits set out below.
For posts and documents published, please do not write to ask for permission. Simply follow the guidelines. Beyond the scope of this policy, please write us.
Linking to this Site
All websites may link to pages on this site.
Printing PDF Files
Anyone are welcome to print PDF versions of our files, when provided.
If you plan to distribute copies of material printed directly from the HTML version, be sure to include any credits at the top or bottom of the page. Note that the PDF files are not always identical to the HTML files. The PDF files have sometimes been condensed to fit compactly onto one or two pages.
To read and print PDF files, you may need to install Adobe Reader on your computer. You may download it for free from the web.
Adapting Material from this Site
You may adapt material from this site, provided you do so accurately and acknowledge your use of our material.
You may not, however, adapt material as part of a web page, though you may quote or paraphrase passages as long as you provide an appropriate reference.
Acknowledgments or references should cite
- any authors listed at the top of our page
- our website (either by name or by URL)
As with all legitimate uses of our site, permission is not required.
This website does not accept offers from other sites to “trade” links. You may link to our site within the conditions provided above, but we will not answer requests that we link to your site in exchange for a link to our site on yours.
Commercial Use of this Site
Commercial sites are welcome to link to our site. No other commercial use of this site is permitted. No sites may sell access to material on our site. Nor may they
- represent any material on our site as their own
- mirror our site
- include pages from our site as part of a frame.