Difficult Passages - Volume 1 (for Oboe and Cor Anglais). By Various. Edited by Evelyn Rothwell. For Oboe, English Horn (Oboe). Boosey & Hawkes Chamber Music. 54 pages. Boosey & Hawkes #M060022920. Published by Boosey & Hawkes (HL.48009346).
The material presented in these volumes is presented in alphabetical order, giving the classical repertoire in Volumes 1 and 2, and a collection of outstanding modern works in Volume 3. The Cor Anglais part is only included where that instrument occurs in the original score.