Eb2. Cooper, L. Hugh. The Double Reed 2/3 (December 1979): 15. For Pianissimo same as Cooper p. 13.

      Eb Db 
 x  x  x  | x x x F
             E
Bb B C D

Eb2. Cooper, L. Hugh. The Double Reed 2/3 (December 1979): 15. Peeples, Georgia. "Playing Pianissimo: Mute Fingerings for the Bassoon." NACWPI Journal 62/2 (Winter 1993-1994): 14.

     Eb
 x x x | x x x F
          E
Bb  D

Heckel-system bassoon fingerings by note name