Wier, A. E. (1944). Piano duets the whole world plays: A collection of forty standard musical compositions arranged as four hand pieces, including classic, modern, light sacred and operatic numbers. Broadcast Music.
Chicago-referens (17:e uppl.)Wier, Albert E. Piano Duets the Whole World Plays: A Collection of Forty Standard Musical Compositions Arranged as Four Hand Pieces, Including Classic, Modern, Light Sacred and Operatic Numbers. New York: Broadcast Music, 1944.
MLA-referens (9:e uppl.)Wier, Albert E. Piano Duets the Whole World Plays: A Collection of Forty Standard Musical Compositions Arranged as Four Hand Pieces, Including Classic, Modern, Light Sacred and Operatic Numbers. Broadcast Music, 1944.
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