Columbia subject headings:
Judaism--Liturgy--Texts--History and criticism.
Judaism--Liturgy--Texts.
Shema.
Harvard subject headings:
Judaism--Liturgy--Commentaries.
Judaism--Liturgy--Texts
Judaism--Liturgy--Texts--History and criticism
Shema
Princeton subject headings:
Judaism--Liturgy--Texts--History and criticism.
Judaism--Liturgy--Texts.
Shema.