Hayeren jeṙagreri hišatakarannerẹ miǰnadaryan hay mšakowyt'i owsowmnasirowt'yan skzbnaġbyowr - Mat'evosyan, Artašes S. (Hayastani Hanrapetowt'yan Gitowt'yownneri Azgayin Akad., Mesrop Maštoc'i Matenadaran, 1998)
PST: Armenian colophons as a source for the history of medieval Armenian culture. - In armen. Schr. - Einf. in engl. Sprache