John V. N. Dorr to Lawrence Graham. August 2, 1955.

C. Goodwin, Consultant, The Dorr Foundation, to Margaretta Mitchell. February 21, 1961.

The K&L Gallery of Photographic Art price listing. n.d.

127 format slide with photographs and Porter's contact info. n.d.

Jack Macrae to Eliot Porter. April 21.

Eliot Porter to Ira Shapiro. April 4, 1977.

Agreement for price list signed by Eliot Porter. n.d.

Margaretta Mitchell to Nell Dorr. n.d.

Rose Mentzel, New York, New York, to Nell Dorr. August 12, 1957.

Rose Mentzel to Nell Dorr. n.d.

Untitled [male Indian in blue robe]. n.d.

Untitled [log house, drawings of figures and faces]. n.d.

Clara E. Sipprell, to Mr. Yenawine. n.d.

Nicholay Khabroff, to Clara E. Sipprell. n.d.

Postcard from Alia Howe. n.d.

Harry Callahan to Carlotta Corpron. 1953.

Clara E. Sipprell, to Mr. Cousin. n.d.

Phyllis Fenner, to Peter and David. n.d.

Lists of negatives sent to Syracuse. n.d.

[Joelfin?] Derbis, Bethesda, Maryland, to Eliot Porter. n.d.