Columbia subject headings:
Harvard subject headings:
Italians--Argentina--History--Sources.
Italians--Foreign countries--History--Sources.
Marche (Italy)--Emigration and immigration--History--Sources.
Quacquarini family--History--Sources.
Princeton subject headings:
Italians--Argentina--History--Sources.
Italians--Foreign countries--History--Sources.
Marche (Italy)--Emigration and immigration--History--Sources.
Quacquarini family--History--Sources.