Columbia subject headings:
Chubut (Argentina)--History.
Welsh--Argentina--Chubut--Government relations.
Welsh--Argentina--Chubut--History.
Welsh--History--Sources.
Harvard subject headings:
Chubut (Argentina)--History--Sources.
Welsh--Argentina--Chubut--Government relations.
Welsh--Argentina--Chubut--History--Sources.
Welsh--Argentina--Chubut--History.
Princeton subject headings: