Columbia subject headings:
Church year.
Liturgics.
Orthodox Eastern Church--Liturgy--Texts.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Liturgy--Texts.
Harvard subject headings:
Church year
Liturgics.
Manuscripts, Church Slavic--Facsimiles.
Orthodox Eastern Church--Liturgy--Texts.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Liturgy--Texts.
Princeton subject headings:
Church year--Early works to 1800.
Saints.