Bunnell, Peter C. The Robert O. Dougan Collection of Historical Photographs and Photographic Literature at Princeton by Peter C. Bunnell.

Art Museum, Princeton University, 1983. About three dozen illustrations of 19th century photography by William Henry Fox Talbot, James Robertson, James Wallace Black, John Moffatt, Maxime Du Camp, Francis Frith, Hill and Adamson, Oscar Rejlander, John Thomson, John Adams Whipple, et al. List of 211 items in Princeton's portion of the Dougan collection, other portions of which are at the Museum of Modern Art and the Metropolitan Museum of Art in New York. Fine.