- unitid
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{"value"=>"1138049", "type"=>"local_mss"}
- unittitle
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{"value"=>"Mason, Daniel Gregory"}
- scopecontent
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{"value"=>"<p>Letter: NY, to Frédérique Petrides, [n. p.] 1942 February 7.</p> <p>Reproduction of autograph letter, signed</p> <p>Did orchestration for chamber orchestra of a piece for F. P.</p> <p>Related names and works: Petrides, Frédérique.</p>"}
- container
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{"type"=>"box", "value"=>"1"}
{"type"=>"folder", "value"=>"19"}