All text and original graphics on this website, except quotations identified as such, are copyright © 2011-2023 by Alexander Duncan. All rights reserved. The author asserts his moral right. Derivative graphics and websites linked to and not copied are considered by virtue of being posted online to be available for “fair use,” which includes non-commercial research and education, as per s. 29 of the Copyright Act. The legality of inline linking has been confirmed by Perfect 10, Inc. v., Inc. in the United States Court of Appeals for the Ninth Circuit. If the originator of any image objects to such use, we will remove the offending image upon request, subject to verification. The use of all images is deemed to be permitted unless we are informed to the contrary.