*Model 1 – 20 keys
*Model 2 – 20 keys
*Model 3 – 22 keys
*Model 4 – 22 keys
*Model 5 – 23 keys
*Model 6 – 32 keys
*Model 7 – 32 keys
*Model 8 – 42 keys
*Model 9 – 42 keys
*Model 10 – 44 keys
*Model 11 – 48 keys
*Model 12 – 26 keys
*Model 13 – 34 keys
*Model 14 – 40 keys
*Model 15 – 44 keys
*Model 16 – 25 keys
*Model 17 – 26 keys
*Model 18 – 36 keys
*Model 19 – 35 keys
*Model 20 – 40 keys
*Model 21 – 44 keys
*Model 19 – 56 keys
*Model 20 – 59 keys
*Model 21 – 66 keys
*Model 20 A – 56 keys
*Model 21 A – 64 keys
*Model 22 – 70 or 72 keys
*Model 23 – 80 keys
*Model 24 – 90 or 95 keys
*Model 25 – 107 or 110 keys
*Model 26 – 50 keys
*Model 27 – 50 keys
*Model 28 – 54 keys
*Model 29 – 59 keys
*Model 30 – 63 keys
*Model 31 – 66 keys
*Model 32 – 70 keys
*Model 33 – 75 keys
*Model 34 – 85 keys
*Model 35 – 60 keyless
*Model 36 – 76 keyless
*Model 37 – 90 keyless
*Model 10 – Flute book–organ
*Model 11 – Violin book–organ
*Model 29 – book organ
*Model 31 – book organ
*Model 32 – 45 keyless
*Model 33 – 52 keyless
*Model 33 A – 52 keyless
*Model 34 – 56 keyless
*Model 34 (new) – 56 keyless
*Model 35 – 65 or 67 keyless
*Model 35 A – 67 keyless
*Model 36 – 78 keyless
*Model 36 A – 78 keyless
*Model 36 B – 78 keyless
*Model 36 C – 79 keyless
*Model 36 X – 78 keyless
*Model 37 – 90 keyless
*Model 37 (new) – 85 keyless
*Model 38 – 96 keyless
*Model 39 – 96 keyless