The altering eye : photographs from the National Gallery of Art / Sarah Greenough ; with Sarah Kennel, Diane Waggoner, Andrea Nelson, and Philip Brookman.
Changing visions: photography and the art museum / Sarah Greenough -- Discovery: 1839-1890 / Sarah Kennel and Diane Waggoner -- Expansion: 1890-1945 / Sarah Kennel and Diane Waggoner -- Reflection: 1945-1965 / Sarah Greenough -- Reinvention: 1965-2015 / Andrea Nelson.
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