A companion to "the art of fugue" (Die Kunst Der Fuge) - Tovey, Sir Donald Francis 1875-1940 (London Oxford Univ., 1951)
"Bach's Die Kunst der Fuge, edited and completed by Professor Tovey is published in a complete edition in open score for the use of students by the Oxford University Press"
Keywords: Bach, Johann Sebastian. Die Kunst der fuge; Canon (Music).; Fugue