All sonatas, 5 variations on themes from Schumann, Paganini, Handel, etc. Vienna Gesellschaft der Musikfreunde edition.
Here's a sample of other books in this Dover category
Brahms Masterpieces for Solo Piano: 38 Works by Johannes Brahms Includes 38 works such as the "Edward" ballade; 2 capriccios; 7 Hungarian Dances; 6 intermezzos; 3 rhapsodies; 16 waltzes; Sonata No. 3; Variations and Fugue on a Theme by Handel; more.
Hungarian Dances and Other Works for Solo Piano by Johannes Brahms Based on Hungarian themes, this lively set of 21 dance arrangements contains some of the Romantic classicist's most popular piano pieces in one low-priced edition.
Complete Symphonies for Solo Piano by Johannes Brahms Suitable for intermediate and advanced pianists, this affordable and authoritative edition features all 4 of his symphonic works, including Symphony No. 1 in C Minor, Op. 68.
Complete Shorter Works for Solo Piano by Johannes Brahms The entire corpus of Brahms' short piano pieces is featured in this one affordable volume. It includes the familiar Waltzes; the effective Scherzo in E Flat Minor; the satisfying Eight Pieces; the two Rhapsodies; the Fantasies; and more.