Excerpt - page 49: "... also specifically require the use of two manuals (Rückpositiv and Oberwerk) with contrasting registration-the type of organ Pachelbel had in the ..."
Excerpt - page 575: "... no. 1), Karol Szymanowski, and oth- ers. Obertas [Pol.]. *Oberek. Oberwerk [Ger.]. A secondary division of a German organ, with the ..."
Excerpt - page 89: "... choral works he put such marks as forte, piano, Rückpositiv, Oberwerk, and organo plenoso. Bach composed for the organ all his ..."