Metropolitan Opera Broadcast of Die Walküre by Richard Wagner, Act II completed / Scriabin Sonata No. 7 / Quodlibet, Frederick Werlé / Journey to a Star 2 excerpts, Frederick Werlé / New York Philharmonic, Leonard Bernstein conducting Mahler's 3rd Symphony (1st movement), 1961, Box: 13. Frederick Werlé music manuscripts and papers, MP-0019-01. The New School Archives. https://findingaids.archives.newschool.edu/repositories/3/archival_objects/54616 Accessed June 07, 2025.