Ian Ballantine, Ballantine Books, Inc., New York, New York, to Arabel J. Porter, Houghton Mifflin Company. June 16, 1970.

T. Rybarra [?], Acting Chairman, New York, New York, to John V. N. Dorr. April 15, 1955.

Ruth Burr, Ovesey and Straus, Inc, New York, New York, to Nell Dorr, Dorr Foundation. January 28, 1957.

Eugene S. Troy, Assistant Secretary, Dorr Foundation, New York, New York, to The Gevaert Company of America Inc. January 17, 1955.

Ruth G. Gagliardo, The Kansas State Teachers Association, Lawrence, Kansas, to John V. N. Dorr. June 22, 1955.

Anta K. [Dose?], Secretary to Mrs. Hill, St. Paul, Minnesota, to John V. N. Dorr. March 24, 1955.

Lawrence S. Kubie, New York, New York, to K. R. Leedom, Dorr Foundation. February 15, 1955.

Cyril Straud, Research Laboratories, Eastman Kodak Company, Rochester, New York, to John V. N. Dorr. March 17, 1955.

Herman Craeybeckx, Tessin, Switzerland, to Nell Dorr. May 18, 1962.

John V. N. Dorr, New York, New York, to Nell Dorr. n.d.

John Van Nostrand Dorr, London, England, to Nell Dorr. February 11.

Claudette Baril, Middlesbury, Connecticut, to Nell Dorr. June 15, 1980.

Walter Rumsey Marvin, Executive Director, Martha Kinney Cooper Ohioana Library Association, Columbus, Ohio, to Nell Dorr. March 7, 1955.

John V. N. Dorr, to Walter Rumsey Marvin, Executive Director, Martha Kinney Cooper Ohioana Library Association. July 19, 1955.

Mr. M. Craeybeckx, Manager, Gevaert Photo-Producten N. V., Antwerp, Belgium, to Nell Dorr. January 18, 1955.

Dorothy W. Leonard, Educational Art Department, Houghton Mifflin Company, Boston, Massachusetts, to Nell Dorr. February 5, 1957.

A. N. Jorgensen, President, The University of Connecticut, Storrs, Connecticut, to John V. N. Dorr. February 23, 1955.

Arthur A. Goldsmith, Jr., Features Editor, Photography Magazine, New York, New York, to Nell Dorr. September 29, 1954.

Florence S. Garing, Librarian, Mercantile Library, New York, New York, to The Dorr Foundation. June 16, 1955.

Hine & Goldthwaite, Engineers, Public Utility Consultants, New York, New York, to John V. N. Dorr. March 24, 1955.