B. [Ellen Auerbach], New York, New York, to Bu [Eliot Porter]. January 7, 1980.

Ellen Auerbach, New York, New York, to Eliot Porter. May 30, 1988.

Ellen Auerbach, New York, New York, to Eliot Porter. April 10, 1990.

Ellen Auerbach, New York, New York, to Eliot Porter. September 23, 1987.

Ellen Auerbach, New York, New York, to Eliot Porter. October 26, 1987.

B. [Ellen Auerbach], New York, New York, to Bu [Eliot Porter]. February 7, 1987.

Jack Porter, New Haven, Connecticut, to Grandpa [Eliot Porter]. December 1, 1986.

B. [Ellen Auerbach], New York, New York, to Eliot Porter. February 18, 1987.

Easement For Construction and Maintenance Of Aerial and Underground Television Lines. October 23, 1985.

Jack Porter, New Haven, Connecticut, to Grandpa [Eliot] Porter. January 16, 1987.

B. [Ellen Auerbach], New York, New York, to Eliot Porter. December 2, 1982.

B. [Ellen Auerbach], New York, New York, to Eliot Porter. September 29, 1987.

Ellen Auerbach, New York, New York, to Eliot Porter. December 2, 1989.

B. [Ellen Auerbach], New York, New York, to Eliot Porter. December 17, 1978.

B., St. Louis, Missouri, to Pa [Eliot Porter] and Aline. December 26, 1966.

Maurice Broker, Harrods Creek, Kentucky, to Helen M. Post. May 28, 1940.

Printed greeting cards used as markers, 2 labeled Crow and Sitting Eagle Pine Ridge. n.d.

Seneca Indians claim Niagara Falls. Senecas would broadcast without FCC approval. n.d.

Purchase order for "Pictures, Indian Subjects." US Department of the Interior. September 6, 1940.

Walter Frese, Hastings House, New York, New York, to Laura Gilpin. February 27, 1948.