Those interested in Coptic manuscripts will find an excellent article by Paola Buzi in the Comparative Oriental Manuscript Studies‘ Newsletter 2 (2012) 10-16. The article is titled “Beyond Papyrus. The Writing Materials of Christian Egypt Before the Tenth Century: Ostraca, Wooden Tablets and Parchment.” The Newsletter is available here. The other issues of the newsletter, with many interesting contributions on Oriental manuscripts, can be read here.