F#3. Standard. Seltmann, Werner and Angerhöfer, Günter. Fagott-Schule in sechs Bänder, vol. 6 (Mainz: Schott), p. 133. Permission granted for inclusion in this WWW index by Deutcher Verlag für Musik.
o x x | x x x(F)
F#F#3. Ewell, Terry B. (05 October 1996). Source unknown. For lower pitch.
o x x | x x x F Ab
F#
D