But since you need them ASAP, and I don't have time to ask your email address and get a reply (I'm about to go to bed), and I trust that you acquired them legitimately originally by buying Logos software (which used to license these fonts from a third party but no longer does), I'll go ahead and post them, and then I'll remove them tomorrow. I'm not sure if I have permission to share them here, since these fonts are still for sale by Linguist's Software.
I was able to find my old Graeca II and Hebraica II fonts on my old Windows XP machine, which still boots (barely). Jon,As it so happens, I just had the exact same experience yesterday (I had a Word document in which I'd formatted some Greek text using Graeca II but the font was not on my machine so it came out as gobbledygook).
The following instructions are for XP, but are similar to the steps in Vista and Windows 7: From the Start Menu, select 'Control Panel.' Select 'Regional and Language Options' Click the 'Languages' tab. To type in Polytonic Greek, you must first enable it. How to Type in Greek Accents, Combined Accents, and Punctuation in Polytonic Greek.