Columbia subject headings:
Biserica Ortodoxă Română--Liturgy--Texts.
Manuscripts, Church Slavic--Romania--Facsimiles.
Missals--Texts.
Orthodox Eastern Church--Romania--Liturgy--Texts.
Printing--Romania--History.
Harvard subject headings:
Biserica Ortodoxă Română--Liturgy--Texts.
Incunabula--Facsimiles.
Manuscripts, Church Slavic--Romania--Facsimiles.
Missals--Texts.
Orthodox Eastern Church--Romania--Liturgy--Texts.
Printing--Romania--History.
Princeton subject headings: