Emmy Zweybruck, Editor, The American Crayon Company, New York, New York, to Laura Gilpin. May 10, 1954.

J. E. Krantz, The American Platinum Works, Newark, New Jersey, to Laura Gilpin. April 11, 1940.

Laura Gilpin, Colorado Springs, Colorado, to F. B. Garahan, Eimco Corporation. January 22, 1940.

W. H. Cowles, The Spokesman Review, Spokane, Washington, to Laura Gilpin. August 6, 1940.

Walter Frese, Hastings House Publishers, New York, New York, to Laura Gilpin. August 29, 1940.

Erna Ferguson, Albuquerque, New Mexico, to Laura Gilpin. November 4, 1939.

Laura Gilpin, Colorado Springs, Colorado, to Percy Hagerman, President, Colorado Springs Fine Arts Center. n.d.

Tom Maloney, U. S. Camera, New York, New York, to Laura Gilpin. May 24, 1940.

Laura Gilpin, Colorado Springs, Colorado, to Mr. Walter Frese, Hastings House Publishers. August 21, 1941.

C. A. Miller, The Stevens-Nelson Paper Company, New York, New York, to Laura Gilpin. December 2, 1940.

Perry Merrill, Secretary, Los Alamos Ranch School, Otowi, New Mexico, to Laura Gilpin. February 28, 1940.

Edward M. Weyer, Natural History Magazine, New York, New York, to Laura Gilpin. April 16, 1940.

Laura Gilpin, Colorado Springs, Colorado, to Adelle Herring. April 29, 1940.

Laura Gilpin, Colorado Springs, Colorado, to Carl J. Smalley. June 30, 1941.

Laura Gilpin, Colorado Springs, Colorado, to Mr. Walter Frese, Hastings House Publishers. October 23, 1941.

Laura Gilpin, Colorado Springs, Colorado, to Mr. Willard D. Morgan, National Educational Alliance. October 23, 1941.

Laura Gilpin, Colorado Springs, Colorado, to Russell R. Weir. September 9, 1940.

Laura Gilpin, Santa Fe, New Mexico, to Mrs. M. S. Abbott. February 27, 1956.

Laura Gilpin, Santa Fe, New Mexico, to Mrs. Jean F. Leich, American Heritage Magazine. October 19, 1956.

Esther Craig [Mrs. Bradford Craig], San Francisco, California, to Laura Gilpin. March 6, 1957.