Columbia subject headings:
Harvard subject headings:
Squillace, Gulf of (Italy)--Emigration and immigration--Economic aspects--History--19th century.
Squillace, Gulf of (Italy)--Emigration and immigration--Economic aspects--History--20th century.
Squillace, Gulf of (Italy)--Emigration and immigration--History--19th century--Sources.
Squillace, Gulf of (Italy)--Emigration and immigration--History--19th century.
Squillace, Gulf of (Italy)--Emigration and immigration--History--20th century--Sources.
Squillace, Gulf of (Italy)--Emigration and immigration--History--20th century.
Princeton subject headings:
Squillace, Gulf of (Italy)--Emigration and immigration--Economic aspects--History--19th century.
Squillace, Gulf of (Italy)--Emigration and immigration--Economic aspects--History--20th century.
Squillace, Gulf of (Italy)--Emigration and immigration--History--19th century--Sources.
Squillace, Gulf of (Italy)--Emigration and immigration--History--19th century.
Squillace, Gulf of (Italy)--Emigration and immigration--History--20th century--Sources.
Squillace, Gulf of (Italy)--Emigration and immigration--History--20th century.