Columbia subject headings:
Harvard subject headings:
Argentina--History--20th century.
Argentina--Pictorial works.
Olds, H. G. (Harry Grant), 1869-1943.
South America--Pictorial works.
Princeton subject headings:
Buenos Aires (Argentina)--Pictorial works.
Olds, H. G. (Harry Grant), 1869-1943.
Photographers--Argentina--Buenos Aires--Biography.
Photography--Argentina--Buenos Aires.