Progressive Piano Studies for Medium Grade: Op. 66; op.66 (Hardcover)

Studies for the Piano for the Development of Technique and Expression, Op. 66: for the Intermediate Degree; op.66 (Paperback)

Studies for the Pianoforte for Development of Technique and Expression: for the Intermediate Degree in Three Books, Op. 66; op. 66 vol. 2 (Paperback)

Thirty-three Universal Piano Studies for the Medium Grade, Op. 169; op. 169 (Paperback)

Piano Studies to Form Execution, Op. 66; op. 66 vol. 2 (Paperback)

Progressive Piano Studies for Medium Grade: Op. 66; op.66 (Paperback)