. . . . . . "Three progressive clarinet duets [op. 6]" . . . . . "Progressive clarinet duets" . . . "Three progressive clarinet duets (complete) : No. 1 in F ; No. 2 in D minor ; No. 3 in C" . "Three progressive clarinet duets (complete) no. 1 in F, no. 2 in D minor, no. 3 in C" . . . . . . . . . "Three Progressive Clarinet Duets, etc. [Parts.]" . . "Three progressive clarinet duets" . "Three progressive clarinet duets"@en . "Three progressive clarinet duets (complete) No. 1 in F ; No. 2 in D minor ; No. 3 in C" . "3 progressive clarinet duets" . . . . . "Clarinette, Musique de (Clarinettes (2)) Parties." . . . .