1. American National Red Cross records Hoover Institution Library and Archives in Palo Alto (ANRCR) Commissions for the Balkan States, 1917–1923 (Box 1–3, 18 [Bulgaria], 18–21 [Greece]) Commission for Belgium, 1917–1919 (Box 28–29) Commission for Italy, (Box 94–106) Balkan States-South Eastern Base, Constantinople Unit, 1917–1923 (Box 127–131) League of Nations Correspondence Reports, 1922–1923 (Box 131) ARC National Headquarters, Washington, DC, 1917–1921 (Box 184–186) Paris Headquarters, 1918–1922 (Box 186–200).
2. American National Red Cross Records at the U.S. National Archives at College Park, Maryland (NARC) Group I, 1881–1917.
3. Library of Congress, Manuscripts Division, Prints, and Photographs Division American Red Cross Biographical Collections Clara Barton Papers Mabel T. Boardman Papers.