| componist | boektitel | fase |
| Agay, D. | The Joy of Piano Duets | 4 |
| Andriessen, J. | Kathenka's muziekboek | 1 |
| Bach, J. Chr. | Sonate in C | 7 |
| Badings, H. | Arcadia deel 4 | 3 |
| Badings, H. | Arcadia deel 5 | 4 |
| Beethoven, L. von | Sonate in D op. 6 | 5 |
| Beethoven, L. von | Symphonien nr. 1-5 | 10 |
| Bizet, G. | Jeux d'Enfants | 9 |
| Blake, J. | 8 Duets for Beginners | 1 |
| Brahms, J. | Walsen op. 39 | 10 |
| Brahms, J. | Walzer op. 52 | 8 |
| Brimhall, J. | Early Grade Duets | 3 |
| Bruckner, A. | 3 Kleine Stucke | 3 |
| Carse, A. | A Little Concert deel 1 | 1 |
| Carse, A. | A Little Concert deel 2 | 2 |
| Carse, A. | Progressive Duets deel 1 | 2 |
| Carse, A. | Progressive Duets deel 2 | 3 |
| Carse, A. | Tunes for Two | 2 |
| Coolwijk, P. | Puck | 4 |
| Dean, F | Marlieske in Droomland | 2 |
| Dean, F | Sprookjestuin | 2 |
| Debussy, C. | Petite Suite | 9 |
| Diabelli, A. | Jugend Freunden op. 163 | 3 |
| Diabelli, A. | Pieces Melodique op. 149 | 2 |
| Diabelli, A. | Sonaten op. 32, 33, 37 | 7 |
| Diabelli, A. | Sonates en Rondo | 7 |
| Diabelli, A. | Sonatinen op. 24, 54, 58, 60 | 6 |
| Diller, A. | The Green Duet Book | 1 |
| Dvorak, A. | Slavische Dansen op. 46 | 8 |
| Dvorak, A. | Slavische Dansen op. 72 | 8 |
| Faure, G. | Dolly Suite op. 56 | 9 |
| Fly, L. | Corner stones | 2 |
| Galluzzi, G. | Il Primo Concerto deel 1 | 1 |
| Galluzzi, G. | Il Primo Concerto deel 2 | 2 |
| Galluzzi, G. | Ricreazioni Pianistiche deel 1 | 3 |
| Galluzzi, G. | Ricreazioni Pianistiche deel 2 | 4 |
| Gardner, G. | A day with the Toys | 2 |
| Gardner, G. | The Teddybear and other Famalies | 1 |
| Garrow, L. | Easy for Two | 2 |
| Goldsten, M. | Duets for Bear Lovers | 1 |
| Goldsten, M. | Duets for Cat Lovers | 3 |
| Goldsten, M. | Duets for Dog Lovers | 2 |
| Gretchaninoff, A. | Im Grunen | 4 |
| Grieg, E. | Noorse Dansen op. 35 | 8 |
| Gurlitt, C. | Der Anfanger | 2 |
| Hengelveld, G. | 10 Folk and Rhytmical Dancse | 3 |
| Hengelveld, G. | 10 Rhythmical Dances | 3 |
| Hengelveld, G. | 4 Hands playing Rhythm and Expression deel 1 | 2 |
| Hengelveld, G. | 4 Hands playing Rhythm and Expression deel 2 | 2 |
| Hengelveld, G. | 7 Sonatines boek 1 nr. 1-2 | 5 |
| Hoogenberk, D. | De Poppenkast | 1 |
| Hoogenberk, D. | Hoor eens hoe dat klinkt deel 1 | 1 |
| Hoogenberk, D. | Hoor eens hoe dat klinkt deel 2 | 2 |
| Inghelbrecht, D. | La Nursery deel 1 | 6 |
| Janacek, L. | Morarische Volksdansen | 3 |
| Kirkby-Mason, B. | First Duet Album | 2 |
| Markham Lee, E. | Alice in Wonderland deel 1 | 3 |
| Markham Lee, E. | Alice in Wonderland deel 2 | 4 |
| Mozart, W.A. | Fantasie nr. 1 in F | 7 |
| Mozart, W.A. | Fantasie nr. 2 in f | 8 |
| Mozart, W.A. | Klavierkonzert KV 488 | 10 |
| Mozart, W.A. | Sonate in Bes KV 358 | 6 |
| Mozart, W.A. | Sonate in C KV 521 | 8 |
| Mozart, W.A. | Sonate in D KV 381 | 6 |
| Mozart, W.A. | Sonate KV 19d | 5 |
| Mozskowsky, M. | Spanisch Dances op. 12 | 7 |
| Nieland, J. | Petite Suite | 3 |
| Rachmaninoff, S. | 6 Pieces op. 11 | 10 |
| Ravel, M. | Ma Mere l' Oye | 7 |
| Schubert, F. | 3 Militaire Marsche op. 51 | 8 |
| Schubert, F. | Fantasie in f moll op. 103 | 10 |
| Schubert, F. | Rondo in D D 608 | 9 |
| Schumann,R. | 12 Vierhandige Klavierstucke op. 85 | 9 |
| Schumann,R. | 12 vierhandige Klavierstucke op. 85, 109, 130 | 8 |
| Schumann,R. | Ballszenen op. 109 | 9 |
| Schumann,R. | Bilder aus Osten op. 66 | 9 |
| Strawinsky, I. | Three easy Pieces | 3 |
| Tansman, A. | Les Jeunes au Piano deel 1 | 4 |
| Tansman, A. | Les Jeunes au Piano deel 2 | 5 |
| Tansman, A. | Les Jeunes au Piano deel 3 | 6 |
| Tansman, A. | Les Jeunes au Piano deel 4 | 7 |
| Weber C. M. von | 6 Pieces op. 10 | 7 |
| Weber C. M. von | 6 Pieces op. 3 | 7 |
| Weber C. M. von | 8 Pieces op. 60 | 7 |
| Wells, E. | Sea Pictures set 1 | 1 |
| Wells, E. | Sea Pictures set 2 | 2 |
| Zutphen, H. van | Caroussel | 3 |
