NG. Schirmer's Collection of Massses and Verspers; Verdi Requiem Music by G. Verdi, 1895, Box: 1, item: 5. Personal papers of Harriette F. Sterling, PP 94. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/128344 Accessed November 27, 2024.