Columbia subject headings:
Apophthegmata Patrum--Indexes.
Harvard subject headings:
Apophthegmata Patrum--Indexes.
Christian literature, Early--Indexes.
Christian literature, Russian--Indexes.
Manuscripts, Church Slavic--Russia (Federation)--Saint Petersburg.
Princeton subject headings:
Christian literature, Early--Indexes.
Christian literature, Russian--Indexes.
Indexes.