Columbia subject headings:
Jewish religious poetry, Hebrew--France--History and criticism.
Jewish religious poetry, Hebrew--Spain--Catalonia--History and criticism.
Piyutim--History and criticism.
Harvard subject headings:
Jews--France--Provence--Liturgy.
Jews--Spain--Catalonia--Liturgy.
Piyutim--France--Provence.
Piyutim--Spain--Catalonia.
Piyutim.
Princeton subject headings:
Jewish religious poetry, Hebrew--France--History and criticism.
Jewish religious poetry, Hebrew--Spain--Catalonia--History and criticism.
Piyutim--History and criticism.