. . . "Sonata, in B flat, op. 12, no. 1, for clarinet and piano" . . "Sonata in B flat, opus 12 no. 1, for clarinet and piano. Edited and realized by Georgina Dobrée" . . "Sonata in B flat : Opus 12 no.1 for clarinet and piano"@en . . . "Sonata in B flat : op. 12, no. 1, for clarinet and piano" . "Sonata in B flat. Opus 12. No. 1. For clarinet and piano. Edited and realized by Georgina Dobrée. [Score and part.]" . . "Sonata in B flat : opus 12 no. 1 : for clarinet and piano" . . . "Sonata, in B flat, op. 12, no. 1 for clarinet and piano" . . . . . . . . . .