E3. Bly (Herrick, Arthur). In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 72. Same as Cooper p. 96, add no keys in parentheses.
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E3. Corey, Gerald. In Klimko, Ronald. Bassoon Performance Practices and Teaching in the United States and Canada. Idaho: University of Idaho, 1974, p. 65. Ledwith, Austin. In Klimko, Ronald. Bassoon Performance Practices and Teaching in the United States and Canada. Idaho: University of Idaho, 1974, p. 66
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E3. Ewell, Terry B. (20 August 1994). For pianissimo.
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E3. Peeples, Georgia. "Playing Pianissimo: Mute Fingerings for the Bassoon."NACWPI Journal 62/2 (Winter 1993-1994): 15
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E3. Polonchak, Richard M. "What Directors Should Know about Bassoonist in the Band." The Instrumentalist 30/9 (April 1976): 27. For emergency intonation fixes use Cooper p. 94 but add the R. H. G key.
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E3. Swanson, Robert. "Pictorial Bassoon Fingerings." Woodwind Magazine 3/10 (June 1951): 5. Same as Cooper p. 94, but you may add either R. H. thumb E key or R. H. G key.
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