Columbia subject headings:
Bible. Old Testament--Criticism, interpretation, etc.
Bible. Old Testament--Prayers--History and criticism.
Prayer--Biblical teaching.
Harvard subject headings:
Bible. Old Testament--Criticism, interpretation, etc.
Bible. Old Testament--Prayers--History and criticism.
Prayer--Biblical teaching
Princeton subject headings:
Bible. Old Testament--Criticism, interpretation, etc.
Bible. Old Testament--Prayers--History and criticism.
Prayer--Biblical teaching.