The Jews of Umbria in Three Volumes by Ariel Toaff, total 1466 pages.
Volume One 1245-1435
Volume Two 1435-1484
Volume Three 1484-1736
The three volumes are based on documentation from the Umbria archives. Included are the social and political history of the Jewish community from the 13th century and until the Jewish expulsion in 1569 by Pope Pius V.
The auhtor is Professor of Mediieval Jewish history at Bar Ilan University.