Gems from the Latest Operas - Blue Wings; solo piano; music by: Ed. H. Frey; lyrics by: Geo. W. Frey; publisher: unidentified; notes: Sequel to White Wings, undated

Gems from the Latest Operas - Blue Wings; solo piano; music by: Ed. H. Frey; lyrics by: Geo. W. Frey; publisher: unidentified; notes: Sequel to White Wings, undated, Box: 2, Folder: 3. West Virginia Sheet Music, A&M 0723. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/142342 Accessed November 23, 2024.