Columbia subject headings:
Harvard subject headings:
Ora, Madame d', 1881-1963--Exhibitions.
Photographers--Austria--Biography.
Photography, Artistic--Exhibitions
Portrait photography--Exhibitions
Women photographers--Austria--Biography.
Princeton subject headings:
Ora, Madame d', 1881-1963--Exhibitions.
Photographers--Austria--Biography.
Photography, Artistic--Exhibitions.
Portrait photography--Exhibitions.
Women photographers--Austria--Biography.