Thank you for the prompt and helpful response ... much appreciated.
I have just found http://www.cyto.purdue.edu/cdroms/micro2/
... hopefully all thirteen are accessible on the web.
On 16 Jul 2019, at 12:59, J. Paul Robinson <email@example.com> wrote:
these were prepared in a time when the internet was new and a lot of people did not have access or at least fast access. We shipped out over 100,000 copies of our various discs all free
I know its hard to believe that there was ever a time when discs were modern!.
we did 13 of these but stopped about 10 years ago