Copyright Conditions:

All images, figures, diagrams and text in this web site,  are unless otherwise cited, copyrighted and remain the exclusive property of John Stuart Douglas. That said, these images are available as full resolution tiff or jpg files with meta-data upon request to at no cost to bonafide researchers, with the condition that they are not used for any commercial use or profit, and will be acknowledged as sourced from John S. Douglas at

I would also appreciate receiving a copy and/or reference to any such use.

Any commercial use will require a specific written or email request.