Columbia subject headings:
Harvard subject headings:
Basques--Argentina--Entre Ríos--Biography.
Basques--Argentina--Entre Ríos--History.
Entre Ríos (Argentina)--History.
Princeton subject headings:
Basques--Argentina--Entre Ríos--Ethnic identity.
Basques--Argentina--Entre Ríos--History.
Entre Ríos (Argentina)--Biography.
Entre Ríos (Argentina)--History--19th century.
Immigrants--Argentina--Entre Ríos--History--19th century.