Rothwell, E. (1953). Orchestral Studies: 990 difficult passages from the symphonic repertoire for oboe and cor anglais / selected and edited by Evelyn Rothwell. Boosey & Hawkes.

Rothwell, Evelyn. Orchestral Studies: 990 Difficult Passages from the Symphonic Repertoire for Oboe and Cor Anglais / Selected and Edited by Evelyn Rothwell. London: Boosey & Hawkes, 1953.

Rothwell, Evelyn. Orchestral Studies: 990 Difficult Passages from the Symphonic Repertoire for Oboe and Cor Anglais / Selected and Edited by Evelyn Rothwell. Boosey & Hawkes, 1953.