I found another link for the book and made the change on the website. The web address looks like an archived version of the book related to the original website.
http://legacy.fordham.edu/halsall/source/tyre-cde.asp
http://legacy.fordham.edu/halsall/source/tyre-cde.asp
"Our aim in Education is to give a Full Life." -- Mom to 4 AO Graduates, Grandma to 3
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"Practically, nearly, almost and in all ways visible to normal mortals Invincible" (due to the diplomatic immunity of Admin.)