Columbia subject headings:
Italian language--Foreign countries--Congresses.
Italian language--Foreign elements--Congresses.
Italian language--Religious aspects--Congresses.
Language in missionary work--Congresses.
Languages in contact--Congresses.
Harvard subject headings:
Italian language--Foreign countries--Congresses.
Italian language--Foreign elements--Congresses.
Italian language--Religious aspects--Congresses.
Language in missionary work--Congresses.
Languages in contact--Congresses.
Princeton subject headings:
Italian language--Religious aspects--Catholic Church--Congresses.
Italy--Emigration and immigration--Religious aspects--Congresses.
Scalabrini, Giovanni Battista, 1839-1905--Congresses.