Britten, B., & Forster, E. M. (1961). Billy Budd: Op. 50 ; an opera in two acts / Benjamin Britten. Libretto by E. M. Forster and Eric Crozier ; adapted from the story by Herman Melville (Rev. version, vocal score.). Boosey & Hawkes.

Britten, Benjamin, and Edward Morgan Forster. Billy Budd: Op. 50 ; an Opera in Two Acts / Benjamin Britten. Libretto by E. M. Forster and Eric Crozier ; Adapted from the Story by Herman Melville. Rev. version, vocal score. London [u.a.]: Boosey & Hawkes, 1961.

Britten, Benjamin, and Edward Morgan Forster. Billy Budd: Op. 50 ; an Opera in Two Acts / Benjamin Britten. Libretto by E. M. Forster and Eric Crozier ; Adapted from the Story by Herman Melville. Rev. version, vocal score. Boosey & Hawkes, 1961.