Columbia subject headings:
Harvard subject headings:
Manuscripts, Church Slavic--Italy--Rome--Catalogs.
Manuscripts, Russian--Catalogs.
Manuscripts--Catalogs
Pontificium Institutum Orientalium Studiorum--Catalogs.
Pontificium Institutum Orientalium Studiorum.
Princeton subject headings:
Manuscripts, Church Slavic--Catalogs.
Pontificium Institutum Orientalium Studiorum. Biblioteca--Catalogs.