OK, so there is no copyright on this material. It might, in fact, be argued that some of it may infringe on copyright held elsewhere, as it is adapted from other sources. Where material has been copied directly, permission has been obtained from the author if possible, and this has been acknowledged.
This material was developed for my personal use. You are welcome to copy it, change it if you wish, and even take credit for it if you must. If you wish to propose changes or revisions, you are encouraged to send them to the author. Contact information appears on the Contact page. Consideration will be given to the changes you suggest if I feel that the changes help me organize or understand the information or if existing information is needing to be updated. You will be credited with (or blamed for) these revisions when the page is revised.