Konzert D-Dur für Cembalo und Streichorchester, BWV 1054 : Faksimile der autographen Partitur / Johann Sebastian Bach ; herausgegeben von Hans-Joachim Schulze.
Description of the manuscript, in German and English (pages 5-11).
"Part of an autograph manuscript containing seven harpsichord concertos and a fragment of a concerto (BWV 1052-1059) ... preserved as Mus. ms. autogr. Bach P234 in the Deutsche Staatsbibliothek in Berlin"--Page 9.