Eb5. Allard, Maurice. Le Basson: Methode de basson (Paris: Gèrard Billaudot, 1975), p. 29.
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Eb5. Corey, Gerald. "How to Make the French Bassoon `Work.'" The Journal of the International Double Reed Society 1 (May 1973): 39. Also James, Cecil. Unpublished chart.
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Eb5. James, Cecil. Unpublished chart.
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