Below articles are currently for sale, either for usage, unique rights or full rights. Usage rights will allow you to add an article unchanged to a website, magazine or newsletter. You may add a link to the article. The unique right to an article will give you the usage rights, and the article will be no longer available for other buyers. If you prefer to own the article with all rights, allowing you to name, resell and edit the article, you have tobuy full rights. If an article is offered for a Usage license only, it has already been purchased at least on time for usage rights.