Columbia subject headings:
Church work with immigrants--Germany.
Germany--Emigration and immigration--Religious aspects--Catholic Church.
Italians--Germany--Social conditions.
Harvard subject headings:
Church work with immigrants--Germany.
Germany--Emigration and immigration--Religious aspects--Catholic Church.
Italians--Germany--Social conditions.
Princeton subject headings:
Church work with immigrants--Germany.
Germany--Emigration and immigration--Religious aspects--Catholic Church.
Italians--Germany--Social conditions.