Intellectual Property, Copyright, and other legal stuff: Material on the petergknight.com server is produced by me either in connection with my research or in my spare time using my own resources as a hobby with no connection to any paid employment. Teaching materials produced in connection with my teaching at Keele University are available to Keele students on the Keele University web site, and although petergknight.com provides links to that site materials held there are not deemed to be a part of petergknight.com. All intellectual property rights, copyright, and other rights in material on petergknight.com are retained by Peter G. Knight unless explicit acknowledgement is given to other right holders. Anyone is welcome to use these materials for non-profit educational purposes on condition that they acknowledge the provenance of the material. This site believes in the free availability of educational materials on the internet.