Columbia subject headings:
Celtic Church--History.
Christian saints, Celtic.
Harvard subject headings:
British Isles--Church history.
Christian saints, Celtic--British Isles--Biography.
Christian saints, Celtic--France--Biography.
Christian saints, Celtic--Great Britain--Biography.
Christian saints, Celtic.
France--Church history.
Great Britain--Church history.
Sacred space--British Isles--History.
Sacred space--France--History.
Sacred space--Great Britain--History.
Princeton subject headings:
British Isles--Church history.
Christian saints, Celtic--British Isles--Biography.
Christian saints, Celtic--France--Biography.
France--Church history.
Sacred space--British Isles--History.
Sacred space--France--History.