Original: Bach, Johann Sebastian. Grützmacher, Friedrich. Sonatas for Viola da Gamba and Harpsichord. BWV 1027-1029. Bach, Johann Sebastian.
Translation: Griitzmacher, Friedrich. Cello, Piano. BWV 1027 - Score. BWV 1027 - Part. BWV 1028 - Score. BWV 1028 - Part. BWV 1029 - Score.