Rose Mentzel to Nell Dorr. September 3, 1955.

Frederick Mitchell, Houghton Mifflin Company, Boston, Massachusetts, to Nell Dorr. February 24, 1959.

Margaretta and Frederick Mitchell to Nell Dorr. June 15, 1960.

Rose Mentzel to Nell Dorr. August 1, 1981.

Shedrich Williames to Nell Dorr. December 19, 1986.

Barbara Tenery to Nell Dorr. n.d.

Tasha Tudor, Boston, Massachusetts, to Nell Dorr. September 29, 1942.

Robert Mayo Tenery to Nell Dorr. September 11, 1943.

Tasha Tudor, Contoocode, New Hampshire, to Nell Dorr. February 19, 1947.

Nell Dorr, Contoocook, New Hampshire, to John Van Nostrand Dorr. n.d.

Rose Mentzel, Worms, Germany, to Nell Dorr. December 5, 1965.

Grace M. Mayer, The Museum of Modern Art, New York, New York, to Nell Dorr. November 23, 1963.

John Howard Griffin to Nell Dorr. July 7, 1976.

Grace M. Mayer, New York, New York, to Nell Dorr. September 6, 1965.

Secretary to Mr. [John Van Nostrand] Dorr, to Madam, Harold Tribune. March 7, 1943.

Goldthwaite H. Dorr III, Curator, The Minneapolis Institute of Arts, Minneapolis, Minnesota, to Nell Dorr, October 29, 1964.

John Van Nostrand Dorr, West Branch, Westport, Connecticut, to Elizabeth Koons. n.d.

"Of Night and Day" by A. S. H. Craeybeckx. n.d.

Mrs. Tine Everhard, The Dorr Foundation, New York, New York, to Charles Cooper, Contemporary Films, Ltd.. August 1, 1958.

Burr to John V. N. Dorr. March 3, 1949.