Columbia subject headings:
Brown family--Portraits.
Photography of women.
Harvard subject headings:
Brown family--Portraits.
Portrait photography
Sisters--Portraits.
Princeton subject headings:
Brown family--Portraits.
Catalogs.
Museum of Modern Art (New York, N.Y.)--Catalogs.
Nixon, Nicholas, 1947-
Photography of families.
Photography of women.
Portrait photography.
Sisters--Pictorial works.