- unitdate
-
{"type"=>"inclusive", "value"=>"1951 ca. Apr.] - [1976] Mar. 27"}
- unittitle
-
{"value"=>"Sarton, May. 4 ALS, 14 TLS, 2 ANS to. ANS [n.d.] includes note by Ada MacLeish"}
- physdesc
-
{"value"=>"corr. out", "format"=>"simple"}
{"format"=>"structured", "physdesc_components"=>[{"value"=>"20 letters in 4 folders", "name"=>"extent"}], "supress_display"=>true}
- container
-
{"value"=>"Manuscript box"}
- date_inclusive_start
-
1951
- date_inclusive_end
-
1976
- keydate
-
1951
- extent_statement
-
20 letters in 4 folders
- unitid
-
{"type"=>"local_mss", "value"=>"519043"}