原文: Keyboard works. BWV 896–2, 946–953, Anh.180. 818a, 819a, 912a,b, 903a, 902a, 924a, 951a, 870a, 872a, 875a. Kellner. Variants.
译文: 键盘的工作原理. BWV 896-2,946-953,Anh.180. 818A,819A,912A,B,903A,902A,924A,951A,870A,872A,875A. 服务员. ,992-993,989,841-843. 巴赫促进协会版.