This collection includes four folders of letters from Helen Jackson Almy to her family, providing substantial information on Almy's service with the Harvard Medical Unit in France during World War I.

Mabel Esther Borden served in France with the U.S. Army Nurse Corps during World War I. Borden reported for duty at Camp Dix, New Jersey, in July 1918, and worked in hospitals in Angers and Vannes between November 1918 and June 1919, returning to the United States later in June.

Brewer’s husband served in France during World War I, accompanied by his office nurse, Beatrice MacDonald. MacDonald was wounded during an air raid and lost an eye, but returned to service until the end of the war. She was commended for her work by the British and French governments and received the Distinguished Service Cross. The collection includes a World War I scrapbook of Beatrice MacDonald, which has been digitized and is viewable in Harvard's Mirador Viewer.

Mary Dexter served as a nurse in Belgium and France during World War I. This collection has typed copies of 23 letters by Dexter to family members, detailing her experiences at the front, the shortage of supplies, and the status of women in war work.

Farley was one of the first to volunteer for overseas duty with the American Red Cross in 1914. She served as a nurse in Kiev. In 1916 she was appointed director of the Teaching Center of the New York chapter of the American Red Cross, where she started a training program for nurse's aides in city high schools.

Hall was superintendent both of nurses and of the Nurses Training School at Boston's Peter Bent Brigham Hospital. She was also head nurse for the Harvard Unit and then the American Red Cross in France and Great Britain during World War I. See also Carrie May Hall Additional Papers.

After completing nurses' training at Germantown Hospital, Hamilton travelled briefly in Spain and in 1916 went to France, where she served as a nurse during World War I.

Holden was on a research fellowship in England when World War I began. She took a Red Cross nurses' training course, worked in hospitals in England, and in January 1916 went to Russia to establish hospitals for Polish refugees.

This collection consists of typed transcriptions of letters from Mattison to her mother, detailing her work with the American Red Cross in France.

This collection includes letters from Morgan’s mother, Margaret Wessell Piersol, to her family describing outbreak of war in Germany and her service as a nurse's aide in France.