Columbia subject headings:
Harvard subject headings:
Asceticism--Orthodox Eastern Church.
Orthodox Eastern Church--Prayers and devotions.
Orthodoxos Ekklēsia tēs Hellados--Biography.
Orthodoxos Ekklēsia tēs Hellados--History--18th century.
Orthodoxos Ekklēsia tēs Hellados--Hymns.
Spiritual life--Orthodox Eastern Church
Princeton subject headings:
Hymns.
Orthodox Eastern Church--Doctrines--History--18th century.
Orthodox Eastern Church--History--18th century.
Orthodox Eastern Church--Hymns.
Orthodox Eastern Church--Prayer-books and devotions.
Religious disputations--Greece--Athos.