They are here:
Blessedly, they have all been placed on Archive.org! So they are downloadable as PDF’s!!! What an excellent decision!
The images are all from microfilms. But at least we have them!
Mostly Arabic, some Coptic. Lots of biblical mss, of course;
This one caught my eye:
COP 20-5 (Theology 30)
- Principal Work: Catenae of the Fathers on the four gospels
- Language: Arabic; Folios: 246; Date: 16/17th C
Could this be an Arabic version of the De Lagarde Coptic catena?
We could use more details at the bottom; it looks as if catalogue details will eventually appear.