Adaptation of the author's libretto for Let's make an opera! / Benjamin Britten. Act Three presents the children's opera, The little sweep, "based on Blake's poem 'The Chimney Sweep'"--Grove's dict. of music and musicians, 5th ed.
The story of Let's make an opera! by Eric Crozier. Published by Oxford University Press in 1962. Publication and catalogue information, links to buy online and reader comments.