The problem of file size so it can be read and the detail in the illustrations can be seen clearly. The last time I tried copying my paperwork (confidential bulletins, P&A items, etc) was in 2003. It took 10 CD's and dots-per-inch (DPI) that I had to use at the time produced somewhat blury pages.
Since then, the overall collection has more than doubled and some items would have to be scanned in color to get the needed detail visible.