[Boston from a Hot-Air Balloon]

[...]; Robert O. Dougan (1904–1999), Santa Barbara, California, until 1981

Negative date: October 13, 1860

The Metropolitan Museum of Art. "Counterparts: Form and Emotion in Photographs," February 26–May 1, 1982.

Contemporary Arts Center, Cincinnati. "Counterparts: Form and Emotion in Photographs," May 20–July 2, 1982.

Dallas Museum of Art. "Counterparts: Form and Emotion in Photographs," August 4–September 13, 1982.

San Francisco Museum of Modern Art. "Counterparts: Form and Emotion in Photographs," November 19, 1982–January 9, 1983.

Corcoran Gallery of Art. "Counterparts: Form and Emotion in Photographs," February 22–April 18, 1983.

New York. The Metropolitan Museum of Art. "Drawings, Prints, and Photographs: A Selection," February 20–May 27, 1990.

Fort Worth, Tex. Amon Carter Museum of American Art. "Photography in Nineteenth Century America," October 26, 1991–January 5, 1992.

Amherst, Mass. Mead Art Museum, Amherst College. "Photography in Nineteenth Century America," February 1, 1992–April 5, 1992.

The Metropolitan Museum of Art. "Beyond the Edges: An Insider's Look at Early Photographs," October 9, 1998–February 14, 1999.

The Metropolitan Museum of Art. "Old Faces and Places: American Photographs, 1845-1870," February 3–April 25, 2004.

Robinson, William F. A Certain Slant of Light: The First Hundred Years of New England Photography. Boston: New York Graphic Society, 1980. p. 59.

Naef, Weston J. Counterparts: Form and Emotion in Photographs. New York: The Metropolitan Museum of Art, 1982. no. 16.

Pierce, Sally. Whipple and Black: Commercial Photographers in Boston. Boston: Boston Athenaeum, 1987. pp. 28–29.