F+3. Bartolozzi, Bruno. New Sounds for Woodwind. London: Oxford University Press, 1971, p. 31.

o o o | o o o
 c# w

F+3. Reinhard, Johnny. "The Microtonal Bassoon." The Double Reed 10/2 (Fall 1987): 42.

o x x | x x x F
    w

F+3. Vigder, Scott. "A Table of Quarter-Tone Fingerings for the Bassoon," The Double Reed 4/2 (October 1981): 44. These fingerings were extracted from Sergio Penazzi'sMetodo per Fagotto (Edizoni Suvini Zerboni-Milano, 1971).

/ x x | x x x F

Fingerings for microtones