50 studies:

Sonata No.1 (Op.2, No.1)
Sonata No.1 (Op.2, No.1)
Sonata No.2 (Op.2, No.2)
Sonata No.2 (Op.2, No.2)
Sonata No.2 (Op.2, No.2)
Sonata No.3 (Op.2, No.3)
Sonata No.3 (Op.2, No.3)
Sonata No.3 (Op.2, No.3)
Sonata No.4 (Op.7)
Sonata No.4 (Op.7)
Sonata No.5 (Op.10, No.1)
Sonata No.5 (Op.10, No.1)
Sonata No.5 (Op.10, No.1)
Sonata No.6 (Op.10, No.2)
Sonata No.6 (Op.10, No.2)
Sonata No.7 (Op.10, No.3)
Sonata No.7 (Op.10, No.3)
Sonata No.8 (Op.13)
Sonata No.8 (Op.13)
Sonata No.9 (Op.14, No.1)
Sonata No.10 (Op.14, No.2)
Sonata No.10 (Op.14, No.2)
Sonata No.11 (Op.22)
Sonata No.11 (Op.22)
Sonata No.11 (Op.22)
Sonata No.12 (Op.26)
Sonata No.13 (Op.27, No.1)
Sonata No.13 (Op.27, No.1)
Sonata No.14 (Op.27, No.2)
Sonata No.15 (Op.28)
Sonata No.15 (Op.28)
Sonata No.16 (Op.31, No.1)
Sonata No.16 (Op.31, No.1)
Sonata No.16 (Op.31, No.1)
Sonata No.17 (Op.31, No.2)
Sonata No.17 (Op.31, No.2)
Sonata No.18 (Op.31, No.3)
Sonata No.18 (Op.31, No.3)
Sonata No.18 (Op.31, No.3)
Sonata No.21 (Op.53)
Sonata No.21 (Op.53)
Sonata No.22 (Op.54)
Sonata No.22 (Op.54)
Sonata No.23 (Op.57)
Sonata No.23 (Op.57)
Sonata No.24 (Op.78)
Sonata No.24 (Op.78)
Sonata No.26 (Op.81a)
Sonata No.26 (Op.81a)
Sonata No.27 (Op.90)