F#3. Avery, Mark. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 68.

    Db        F#
/ x x | x x x F
   w     E F#

F#3. Bartolozzi, Bruno. New Sounds for Woodwind. London: Oxford University Press, 1971, p.34. Different timbres of the same note.

Light:                   Open: 
                            eb(trill key)
o x x | x x x F          o o o | o o o
  c#

Closed-dark:             Dark:
 eb                       eb 
o o o | o o o            o o o | o o o
                           c#

Open-light:              Open-dark:
   eb(trill key)
o o o | x x o F          o o o | x x o F
       Bb                       Bb

F#3. Corey, Gerald. To the World's Bassoonists 4/2 (1974[75]): 4. For rapid technical passages.

 eb
x o o | o o o 
   w

F#3. Fredericksen, Jens. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 70.

x / x | x x x F
   w        F#

F#3. Peeples, Georgia. "Playing Pianissimo: Mute Fingerings for the Bassoon." NACWPI Journal 62/2 (Winter 1993-1994): 14. Cooper p. 112

              F#
/ x x | x x x F
   w     E F#

F#3. Steinmetz, John. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 55.

    Eb
/ x x | x x x 
   w       F#
   D

F#3. Swanson, Robert. "Pictorial Bassoon Fingerings." Woodwind Magazine 3/10 (June 1951): 5.

        
     F#
/ x x | x x x F
   w

F#3. Swanson, Robert. "Pictorial Bassoon Fingerings." Woodwind Magazine 3/10 (June 1951): 5. Same as Cooper p. 117 but add either L. H. E half-hole or cover L. H. D hole.

(/)(x) o | x x x F
     w

F#3. Swanson, Robert. "Pictorial Bassoon Fingerings." Woodwind Magazine 3/10 (June 1951): 5. Same as Cooper p. 114 except no R. H. G key.

 eb
x o o | o o o
   w

F#3. Swanson, Robert. "Pictorial Bassoon Fingerings." Woodwind Magazine 3/10 (June 1951): 5.

 eb
x o o | x x x F
   w

F#3. Tilson, Lawrence. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 56.

    Eb
/ x x | x x x F
   w       F#

F#3. Wadin, Edward. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 65. Same as Cooper p. 117 except no whisper key. Same for French Bassoon.

o o o | x x x F

Heckel-system bassoon fingerings by note name