- unitdate
-
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"\"<span class=\"title\">A letter on American music</span>\". To Lewis Lane"}
- scopecontent
-
{"value"=>"<p>Typescript, 3 pp., Apr. 12, 1928</p>"}
- container
-
{"type"=>"box", "value"=>"10"}
{"type"=>"folder", "value"=>"1"}
- unitid
-
{"type"=>"local_mss", "value"=>"816853"}