Altbauer М. Psalterium Sinaiticum, an IIth Century Glagolitic Manuscript from St. Catharine’s Monastery, Mt. Sinai. Skopje, 1971
Altbauer М. Psalterium Sinaiticum, an IIth Century Glagolitic Manuscript from St. Catharine’s Monastery, Mt. Sinai. Skopje, 1971