References
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- Art of Music , V, 45 – 54 .
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- Chamberlain . 1918 . Singing and Speaking . The Wisconsin Music Teacher , VI ( 4 ) July
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- Jones . Lyric Diction 130
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- Chamberlain . 1918 . Singing and Speaking . The Wisconsin Music Teacher , VI ( 4 ) July
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- Jones . The Technique of Speech II
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