Notna sveska
Izvornik
Beethoven, Ludwig van. Piano Sonata No.4. Op.7. Beethoven, Ludwig van. Piano solo. Main sheet music. version from Boston. Oliver Ditson & Co., 1876. Plate 29904.
Prijevod
Beethoven, Ludwig van. Piano Sonata No.4. Op.7. Beethoven, Ludwig van. Piano solo. Glavni note. Verzija iz Bostona. Oliver Ditson. Plate 29904.