- unitid
-
{"value"=>"[MAI-12306]", "type"=>"local_call"}
{"value"=>"1141408", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1953 February 6-1972 January 31", "type"=>"inclusive", "normal"=>"1953-02-06/1972-01-31"}
- date_inclusive_start
-
1953
- date_inclusive_end
-
1972
- keydate
-
1953-02-06
- date_start
-
1953-02-06
- date_end
-
1972-01-31
- unittitle
-
{"value"=>"<name>Johnson, Alvin H.</name>, Letters"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"8 letters, 1 draft"}], "supress_display"=>true}
- scopecontent
-
{"value"=>"<p>Related names: Rochberg, George.</p>"}
- container
-
{"type"=>"folder", "value"=>"616"}
- extent_statement
-
8 letters, 1 draft