Autor: Richard Walter, 19 titluri

Richard Walter

Volume 2: Soprano Book Only,Paperback,Richard Walters

Volume 6: Mezzo Soprano/belter Book/online Audio,Paperback,Richard Walters

Volume 2: Baritone/bass Book With Online Audio 'with 2 Cds',Paperback,Richard Walters

Richard Walker

Richard Walker,Richard Walker

Ann Marie Bathmaker,Nicola Ingram,Jessie Abrahams,Anthony Hoare,Richard Waller,Harriet Bradley

Marc F. M. Trypsteen,Richard Walker