Columbia subject headings:
Catholic Church--Missions--Italy--Emilia-Romagna--History.
Catholic converts--Italy--Emilia-Romagna--History.
Christian converts from Judaism--Italy--Emilia-Romagna--History.
Emilia-Romagna (Italy)--Church history.
Emilia-Romagna (Italy)--Ethnic relations.
Jews--Italy--Emilia-Romagna--History.
Missions to Jews--Italy--Emilia-Romagna--History.
Harvard subject headings:
Catholic Church--Missions--Italy--Emilia-Romagna--History.
Catholic converts--Italy--Emilia-Romagna--History.
Christian converts from Judaism--Italy--Emilia-Romagna--History.
Emilia-Romagna (Italy)--Church history.
Emilia-Romagna (Italy)--Ethnic relations.
Jews--Italy--Emilia-Romagna--History.
Missions to Jews--Italy--Emilia-Romagna--History.
Princeton subject headings: