Original: Bertha. Bertha. Ned Rorem. Voice sheet music. Choir sheet music. One Act Opera. Composed by Ned Rorem. 1923-. Vocal Score.
Traducere: Partituri de voce. Partituri cor. Un Act Opera. Compus de Ned Rorem. 1923 -. Pentru corală, Chorus, Orchestra, Voice. Scor Vocal.