Trio No.6 in B-flat major for Piano,Violin and Cello,Op.97,'Archduke' Trio No.1 in B flat major for Piano,Violin and Cello,Op.99 Trio no. 1 in C minor for piano, violin and cello, op. 8 Trio no. 2 in E minor for piano, violin and cello, op. 67 Trio in E flat major for Horn,Violin and Piano,Op.40 trio op.38 in e flat major for piano,clarinet and cello after the septet op.20 Trio No. 4 in B flat major for clarinet, piano and cello, op. 11 Trio for piano,violin and cello op.70,1 Trio for piano,violin and cello op.70,1;