Reinhard, Johnny. "The Microtonal Bassoon." The Double Reed 10/2 (Fall 1987): 41-42. Corrections by Reinhard noted below.
Cb5: x x o | x x o F d Bb
Cb5^:
Eb
x o x | x x o F
d Bb
C5:
(Eb?) Bb
x o o | x x o
d F#
Correction by Reinhard, 1990:
Bb
x o o | x x o
d c F#
Or normal fingering blown sharp
C5^:
Eb
x o o | x x o F
d c Bb
Correction by Reinhard, 1990:
Eb
x o o | x o o F
d c Bb
C#5:
Eb
x o x | x x x Ab
d c
Db5:
Eb
x o x | x o x Ab
d c Bb
Db5^:
Eb
x o x | o o x Ab
d c
D5:
Eb
o x x | o x x Ab
d