Columbia subject headings:
Manuscripts, Russian (Old)--History.
Monastic libraries--Russia, Northern--History.
Paleography, Russian.
Harvard subject headings:
Manuscripts, Russian (Old)--History.
Monastic libraries--Russia, Northern--History.
Paleography, Russian.
Princeton subject headings:
Manuscripts, Russian (Old)--History.
Monastic libraries--Russia, Northern--History.
Paleography, Russian.