Original tekst: J.S. Bach. Sonata In C, Sonatas In E Flat And G Minor BWV 1033, 1031, 1020. J.S. Bach. Sheet Music. FLT. CONT. HPCD.
Oversættelse: J. S. Bach. Sonata In C, Sonatas i Es-og G Minor BWV 1033, 1031, 1020. J. S. Bach. Noder. Edited by Alfred Durr.