Laura Gilpin, Colorado Springs, Colorado, to Natt H. Dodge, Southwest Monuments Association. January 12, 1946.

Martha A. Sandweiss, Director, Amherst College, Amherst, Massachusetts, to Eliot Porter. January 5, 1990.

Rose Mentzel, Worms, Germany, to Nell Dorr. March 4, 1966.

Rose Mentzel to Nell Dorr. October 23, 1975.

Arthur A. Fisher, William E. Fisher and Arthur A. Fisher Architects, Denver, Colorado, to Laura Gilpin. August 10, 1932.

Laura Gilpin, Colorado Springs, Colorado, to Stevens Nelson Paper, Co. August 5, 1941.

Ronald, Harper, Texas, to Suzanne Gentling. November 20, 2010.

Bubba, Collectors Covey, Dallas, Texas, to Stuart Gentling. August 29, 2003.

Laura Gilpin to Dave Gilbert, University of Texas Press. September 10, 1969.

Letter from Nicole M. Hollan, Vice President, InterCultura. December 10, 1989.

[Eliot Porter], to O. N. Miller, Chairman of the Board, Standard Oil Company of California. May 7, 1970.

Arthur Brackman, Free Lance Photographers Guild, Inc., New York, New York, to Laura Gilpin. n.d.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. July 7, 1980.

Form 1040 U.S. Individual Income Tax Return for Scott Gentling. August 24, 1973.

F. [Polyhold?] , Amervoll Company, Inc., New York, New York, to Saura[sic] Gilpin Studio. May 24, 1932.

Laura Gilpin, Colorado Springs, Colorado, to Mr. L. S. Hitchcock. June 15, 1932.

Roy Pinney, Photo-Library, Inc., New York, New York, to Laura Gilpin. May 1, 1951.

B., St. Louis Post-Dispatch, Saint Louis, Missouri, to Pa [Eliot Porter]. January 20, 1989.

Laura Gilpin, Santa Fe, New Mexico, to Gilbert L. Campbell. January 17, 1969.

Crawford H. Greenewalt, Du Pont Building, Wilmington, Delaware, to Eliot Porter. December 27, 1960.