This collection primarily contains original correspondence--including letters, telegrams, and postcards-- to California architect Robert D. Farquhar from Chester A. Aldrich. Also included is a small group of letters from Amey Owen Aldrich to Farquhar. Most letters are accompanied by envelopes; a very few contain photographs, clippings and other ephemera. Matters discussed in the correspondence vary widely from intimate personal subjects to observations and reports on the work of Carrère & Hastings and Delano & Aldrich, the American Red Cross and its work with soldiers in Italy during World War I, the rise of Fasicsm in Italy, economic hardships during the Depression, and the state of American and European architecture.