Columbia subject headings:
Harvard subject headings:
Architecture, Domestic--Argentina--Río Gallegos--History--19th century.
Architecture, Domestic--Argentina--Río Gallegos--History--20th century.
Río Gallegos (Argentina)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Río Gallegos region--History.
Río Gallegos--Buildings, structures etc.
Vernacular architecture.