Example 6. Analyses of the subject and answer from J. S. Bach, Fugue in D minor (WTC I)

a. Schenker ([1935] 1979, Fig. 53/5)

b. Proctor and Riggens (1988, 120)

c. Renwick (1995a, 70)

d. Väisälä (2011, 47; excerpt)