E3-F#3. Christlieb, Don. Pictoral Fingerings for Bassoon. Published by author, 1966, p. 23. Timm, Everett LeRoy. The Woodwinds; Performance and Instructional Techniques. Boston: Allyn and Bacon, 1964, p. 173.

x o o | tr x x F
   w

 eb-tr
x o o | o o o
   w

E3-F#3. Timm, Everett LeRoy. The Woodwinds; Performance and Instructional Techniques. Boston: Allyn and Bacon, 1964, p. 173.

o x o | tr tr o F
   w

o x o | tr tr tr F-tr
   w

Heckel-System (German) Bassoon Trills and Shakes by Note Names