Mrs. W. A. Ransier. Notes on photo subjects. n.d.

Erica Anderson, Great Barrington, Massaschusetts, to Nell Dorr. n.d.

Mary Byron to Nell Dorr. n.d.

Consuelo Cloos to Nell Dorr. n.d.

John Dorr to Nell Dorr. January 16, [1948].

Jack and Ann Dorr to Nell Dorr. December 13, 1987.

John Dorr to Nell Koons [Dorr]. n.d.

Lauren Ford to Nell Dorr. n.d.

Notes on Branch of Vocational Training. February, 1938.

Marion Post Wolcott to Helen M. Post. n.d.

List of photographs by Nell Dorr. October 18, 1963.

Erica Anderson to Nell Dorr. 1953.

Envelope addressed to Mary Emma Harris. n.d.

"The Immense Journey" by Loren Eiseley. n.d.

Draft text. n.d.

Draft of "The Geology of Glen Canyon." n.d.

Quote from "On the Great American Plateau" by T. Mitchell Prudden. n.d.

Draft of Chapter I, "The Reality of the Islands." n.d.

Photocopy of Chapter I, "The Reality of the Islands." n.d.

B. to Papa [Eliot Porter]. July 30.