Columbia subject headings:
Patagonia (Argentina and Chile)--Emigration and immigration--History.
Welsh--Argentina--History.
Welsh--Patagonia (Argentina and Chile)--History.
Harvard subject headings:
Patagonia (Argentina and Chile)--Emigration and immigration--History.
Welsh--Argentina--History.
Welsh--Patagonia (Argentina and Chile)--History.
Princeton subject headings:
Patagonia (Argentina and Chile)--Emigration and immigration--History.
Welsh--Argentina--History.
Welsh--Patagonia (Argentina and Chile)--History.