Columbia subject headings:
Hymns, Coptic.
Manichaeism.
Ērakleidēs, active 3rd century. Psalms.
Harvard subject headings:
Bible. Psalms--Criticism, interpretation, etc.
Coptic language--Texts.
Manichaeism
Psalters.
Princeton subject headings:
Coptic Church--Hymns.
Coptic language--Translation.
Doxology.
Hymns, Coptic--Translations into German.