Postcard of the Baldwin Sanatorium in El Paso, Texas. The image is an illustration depicting a stone building on a hill surrounded by desert plants. The correspondence on the back is addressed to "Miss Ruth Curtin" and the author mentions acknowledging that they received photos from Miss Curtin.

Postcard image of the Baldwin Sanatorium in El Paso, Texas. In the foreground of the image two identical stone structures are visible on either side of a walkway. In the center of the image is the sanatorium with multiple stories and windows that is positioned from a side point of view. The grassy land in front of the building is visible at a lower level while land behind the sanatorium is higher.

Letter from Dr. Felix P. Miller to Dr. Chauncey D. Leake discussing the establishment of a nursing school at Texas Western College. In addition are three illustrated cards with quotes from Michel de Montaigne, Alexander Pope, "Tapper," the Bible, and Horace.

Postcard image of the Carnegie Free Library in El Paso, Texas. Within the image the library is built with white columns near the front entrance. The name "Free Public Library" is listed on the front of the library with the Texas star above the name. A walkway surrounded by trees has visitors walking away from the library.

A short history by Dr. Felix P. Miller about the first X-ray machine at the University of Texas in 1906 and 1907. Miller discusses the invention of the X-ray, his involvement in the development of UT's first machine, and its impact.

Postcard of Hotel Dieu Hospital in El Paso, Texas. The image shows a three-story, red brick building with several trees in front of the building. "Hotel Dieu Hospital, El Paso, Texas" is printed in the upper left corner, and "This is where I was operated [on]" is handwritten in the upper right corner. The back of the postcard contains correspondence addressed to "Mr. Harry Ado[ins]" and mentions sending a letter to the addressee and the heat in El Paso.

Letter from Dr. Chauncey D. Leake to Dr. Felix P. Miller discussing approval for the purchase of a electron microscope.

Letter from Dr. Chauncey D. Leake to Felix P. Miller discussing an instrument to be exhibited at a conference, and the Texas state legislature's purchase of a electron microscope for U. of Texas.

Letter from Dr. Chauncey Leake to Dr. Felix Miller discussing the Texas Reports on Biology and Medicine and the state of the UT Medical School.

Letter from Dr. Chauncey D. Leake to Dr. Felix P. Miller discussing the establishment of a nursing school at Texas Western College.

Letter from Dr. Chauncey D. Leake to Dr. Felix P. Miller discussing the histories and poem he received from MIller, and developments for the UT Health Branch in the Texas state legislature.

Letter from Dr. Chauncey D. Leake to Dr. Felix Miller discussing funding for an electron microscope.

Letter from Dr. Chauncey D. Leake to Dr. Felix P. Miller discussing upcoming events at the University of Texas Medical Branch.

Letter from Dr. Felix P. Miller to an unnamed recipient (possibly intended for multiple), discussing an antique X-ray tube to be displayed at a meeting of the Texas Medical Association.

Letter from Dr. Felix P. Miller to Dr. Charles M. Pomerat discussing an experience he had with yellow fever and experiments on mosquitoes circa 1898.

Letter from Dr. Felix P. Miller to Dr. Chauncey D. Leake discussing things he heard about the Governor and the establishment of a nursing school at Texas Western College in El Paso.

Letter from Dr. Felix P. Miller to Dr. Chauncey D. Leake discussing the exhibition of an X-ray machine at a conference and the purchase of a electron microscope for University of Texas. A newspaper clipping from the El Paso Times is enclosed, featuring a piece on Dr. Miller and his work developing X-ray technology.

Letter from Dr. Felix P. Miller to Dr. Chauncey D. Leake and colleagues discussing the purchase of an electron microscope by the University of Texas.

Letter from Dr. Felix P. Miller to Dr. Chauncey D. Leake regarding two histories of El Paso doctors and a poem.

Letter from Dr. Felix P. Miller to Dr. Chauncey D. Leake discussing Leake's resignation from the University of Texas.

Letter from Dr. Felix P Miller to Dr. W. H. Elkins discussing the possibility of starting a school of nursing in El Paso, Texas.

A handwritten letter from Dr. Felix P. Miller to Mildred M. Robertson, U. of Texas Secretary of the Treasurer, regarding the "Golden T." Included is a crude diagram of the "Golden T" on a blank prescription note.

Handwritten letter from Dr. Felix P. Miller to friends discussing a recent medical conference in San Antonio, Texas.

Letter from Dr. Felix P. Miller to Dr. Chauncey D. Leake asking whether he wants X-ray items from Miller for a museum.