- unitid
-
{"value"=>"[MAI-16383]", "type"=>"local_call"}
{"value"=>"1141849", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1959 May 29-1972 December 21", "type"=>"inclusive", "normal"=>"1959-05-29/1972-12-21"}
- date_inclusive_start
-
1959
- date_inclusive_end
-
1972
- keydate
-
1959-05-29
- date_start
-
1959-05-29
- date_end
-
1972-12-21
- unittitle
-
{"value"=>"<name>Pennsylvania, University of</name>, Letters"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"7 letters typed"}], "supress_display"=>true}
- scopecontent
-
{"value"=>"<p>With \"A Proposal for a Microfilm-Xerox Archive of Musical Sources...\" .</p> <p>Related names: Bernstein, Lawrence; Crawford, W. Rex.</p>"}
- container
-
{"type"=>"folder", "value"=>"975"}
- extent_statement
-
7 letters typed