Bb4. Cooper, L. Hugh. "Bassoon Clinic Series, Part Four," Etude: the Music Magazine 47/6 (June 1949): 356.

   (Eb)
x x x | x x o
 a c#    E

   (Eb)
x x x | x x o F

Bb4. Groeling, Charles R. "Cultivating Bassoonists." The Instrumentalist 47/1 (August 1992): 52. Hardisty, Donald M. "Tuning those Bassoons: Part II--Tuning Individual Notes and Registers." The Instrumentalist 36/8 (March 1982): 72. Cooper p. 291.

    Eb
x x x | x x o F
  a c#

Bb4. McAuliffe, Joseph. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 63.

    Eb
x x x | x x o F
  a c#   E

    Eb
x x x | x x x 
  a c#

Bb4. Moritz, Frederick. "A Dissertation on the Use of Alternate Fingerings for Some of the High Register Notes on the Heckel and Heckel-Type Bassoons." The Double Reed 8/3 (Winter 1985): 28, 32, 34.

For fast passages for bassoons with the G# ring key use either:

    Eb             
x x x | x x o
 a c#    E

The standard fingering is the same as Cooper p. 291.

    Eb
x x x | x x o F
  a c#

Other alternatives:

    Eb
x x x | x x o
 c       E

x x x | x x o F
 c       E

    Eb
x x x | x x o
         E

Bb4. Swanson, Robert. "Pictorial Bassoon Fingerings." Woodwind Magazine 4/2 (September 1951): 7. Same as Cooper p. 293 except no L. H. Eb key.

x x x |(x)x o
  a c#   E

    Eb
x x o | x x(x)F
 a c#

x x x | x x o
 a c#  Bb

    Eb
x x x | o x o F
 a c#

Heckel-system bassoon fingerings by note name