This website is intended to be both useful and educational. Unless otherwise stated all images are freely given into the Public Domain: attribution is appreciated, but not required. Feel free to use or modify what you find here for whatever reason.
That said, if you wish to use an image on your website, please upload a copy to your own webspace instead of linking to the copy here.
For more information on a topic or what materials were used to create this website, please see the Bibliography page.