Scope and arrangement
The present collection contains Miss Castles' correspondence, programs, clippings, photographs, and business papers. It includes letters and portraits from Lotte Lehmann as well as notes from Elisabeth Schumann, Kirsten Flagstad, and Colin McPhee. It also includes scores, photographs, and programs of Peggy Glanville-Hicks, an insurance policy showing Castles as the beneficiary of Glanville-Hicks, a photograph of Fritz Hart, and scores by Bax and Vaughan Williams.