A Italian Cistercian Breviary, in Newark, NJ

While in New York recently, I not only crossed the East River to go to Brooklyn, but also crossed the Hudson to go to Newark, New Jersey, because I had been in touch with Nadine Sergejeff at the Public Library, and she had kindly agreed to show me their medieval manuscripts. The one I was most interested to see is a Breviary, briefly described by Bond & Faye as being Cistercian, and perhaps from Lombardy:

A Thérouanne Book of Hours at Occidental

Occidental College has a very interesting and unusual Book of Hours, one of whose features is a unique(?) image of its patron saying the rosary.

 I provide a fairly detailed textual and iconographic descriptions below, but first the known details of its provenance.