Reinhard, Johnny. "The Microtonal Bassoon." The Double Reed 10/2 (Fall 1987): 41-42. Corrections noted below in individual entries.
C#2:
Db
x x x | x x x F
E
B C D
Db2:
Db
x x x | x x x F
E
Bb B C D
Db2^:
x x x | x x x F
E
Bb D
D2: x x x | x x x F w E D
D2^:
Db
x x x | x x x F
D
Correction by Reinhard, 1990:
Db
x x x | x x x F
E
D
D#2:
Eb
x x x | x x x F
E
Bb D
Eb2:
Eb Db
x x x | x x x F
E
D
Eb2^:
Db
x x x | x x x F
E
Bb [B C D]* *B C and D 1/2 closed
E2:
Db
x x x | x x x F
E
Bb
E2^:
Eb
x x x | x x x F
E
Fb2^:
Eb
x x x | x x x F
w
D
F2:
Db
x x x | x x x F
w
F2^:
Eb Db
x x x | x x x
F#
add Ab-Bb trill key
Correction by Reinhard, 1990:
Eb Db
x x x | x x x
E F#
F#2:
Eb
x x x | x x x
F#
Correction by Reinhard, 1990:
Eb
x x x | x x x
w F#
Gb2: x x x | x x x w F# D
Gb2^:
Eb Db F#
x x x | x x x F
F#
D
Correction by Reinhard, 1990:
Eb Db F#
x x x | x x x F
w F#
D
G2: x x x | x x x w
G2^, blow flat:
Eb
x x x | x x x F Ab
w
G#2: x x x | x x x Ab w E F#
Ab2:
Eb Db
x x x | x x x Ab
w
D
Ab2^:
F#
x x x | x x o F
w F#
A2: x x x | x x o w
A2^:
x x x | x x o Ab
D
A#2:
Db
x x x | x x x Ab
Bb
D
Correction by Reinhard, 1990:
Db
x x x | x x x Ab
w Bb
D
Bb2:
Db
x x x | x x o
w Bb E
Correction by Reinhard, 1990:
x x x | x x o F Ab
w Bb
Bb2^:
x x x | x x o F Ab
Bb
B2: x x x | x o o Ab w E D