His 1739 volume of chorale arrangements, the third part of "Clavier-Ubung", is aka "German Organ Mass"
In his book on the Mass in B Minor, Stauffer demonstrates that the .... called "
The German Organ Mass and Catechism Chorales," of 21 Lutheran ... section of 
the hymnbooks and published in 1739 as <Clavier-bung III>,... [DOC] [TLE] PDF File 3 - Burkard Schliessmann [PAR] spoke at length about his approach to Bach's Goldberg Variations on his ... And 
in yet a third interview in 33:5, titled Cannons Camouflaged by Flowers, ....