- unitid
-
{"value"=>"[MAI-10794]", "type"=>"local_call"}
{"value"=>"1141377", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1946", "type"=>"inclusive", "normal"=>"1946"}
- date_inclusive_start
-
1946
- date_inclusive_end
-
1946
- keydate
-
1946
- date_start
-
1946
- date_end
-
1946
- unittitle
-
{"value"=>"<name>International Society for Contemporary Music</name>, Letter"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 letter, 1 envelope, 1 subscription card"}], "supress_display"=>true}
- scopecontent
-
{"value"=>"<p>Related names: Cohen, Frederick.</p>"}
- container
-
{"type"=>"folder", "value"=>"589"}
- extent_statement
-
1 letter, 1 envelope, 1 subscription card