Columbia subject headings:
Art and photography--History.
Artists' models--History.
Painters as photographers--History.
Harvard subject headings:
Art and photography--History--19th century.
Art and photography--History--20th century.
Painting from photographs--History--19th century.
Painting from photographs--History--20th century.
Princeton subject headings:
Art and photography--History--19th century.
Art and photography--History--20th century.
Painting from photographs--History--19th century.
Painting from photographs--History--20th century.