- unitid
-
{"value"=>"1118534", "type"=>"local_mss"}
- unitdate
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{"value"=>"undated", "type"=>"inclusive"}
- unittitle
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{"value"=>"Beethoven, Ludwig van - Sonatas, piano, no. 30, op. 109, E major"}
- scopecontent
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{"value"=>"<p>Boston: Arthur P. Schmidt.</p>"}
- container
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{"type"=>"box", "value"=>"1"}
{"type"=>"folder", "value"=>"27"}