Columbia subject headings:
Harvard subject headings:
Families--Italy--Bertalia--History.
Italy--History--1870-1914.
Italy--Rural conditions.
Kinship--Italy--Bertalia.
Sharecropping--Italy--Bertalia.
Working class--Italy--Bertalia.
Princeton subject headings:
Families--Italy--Bertalia--History.
Italy--History--1870-1914.
Italy--Rural conditions.
Kinship--Italy--Bertalia.
Labor--Italy--Bertalia.
Sharecropping--Italy--Bertalia.