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Contributor
Couper, Mildred, 1887-1974
Remove constraint Contributor: Couper, Mildred, 1887-1974
Topic
Microtonal music
Remove constraint Topic: Microtonal music
Rights
In Copyright
Remove constraint Rights: In Copyright
Date
1940 to 1949
Remove constraint Date: <span class='from'>1940</span> to <span class='to'>1949</span>