- unitid
-
{"value"=>"795916", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1938 Mar 08", "type"=>"inclusive", "normal"=>"1938-03-08"}
{"value"=>"1938 Mar 17", "type"=>"inclusive", "normal"=>"1938-03-17"}
{"value"=>"1938 Dec 19", "type"=>"inclusive", "normal"=>"1938-12-19"}
{"value"=>"1939 Feb 13", "type"=>"inclusive", "normal"=>"1939-02-13"}
{"value"=>"1939 May 01", "type"=>"inclusive", "normal"=>"1939-05-01"}
{"value"=>"1939 Jun 22", "type"=>"inclusive", "normal"=>"1939-06-22"}
{"value"=>"1939 Jun 26", "type"=>"inclusive", "normal"=>"1939-06-26"}
{"value"=>"1939 Sep 12", "type"=>"inclusive", "normal"=>"1939-09-12"}
{"value"=>"n.d.", "type"=>"inclusive"}
{"value"=>"1939 Sep 27", "type"=>"inclusive", "normal"=>"1939-09-27"}
{"value"=>"1939 Oct 04", "type"=>"inclusive", "normal"=>"1939-10-04"}
{"value"=>"1939 Oct 11", "type"=>"inclusive", "normal"=>"1939-10-11"}
{"value"=>"1939 Oct 30", "type"=>"inclusive", "normal"=>"1939-10-30"}
- unittitle
-
{"value"=>"<span class=\"title\">Aan Proff. Bruno Walter...</span> signed by various members of the Concertgebouw orchestra"}
- physdesc
-
{"format"=>"simple", "value"=>"Handwritten/1 leaf"}
{"format"=>"simple", "value"=>"Printed/1 leaf"}
{"format"=>"simple", "value"=>"typed letter, signed/3 leaves"}
{"format"=>"simple", "value"=>"typed letter, signed/1 leaf"}
{"format"=>"simple", "value"=>"typed letter, signed/3 leaves"}
{"format"=>"simple", "value"=>"typed letter, signed/1 leaf"}
{"format"=>"simple", "value"=>"typed letter, signed/2 leaves"}
{"format"=>"simple", "value"=>"autograph letter, signed/1 leaf"}
{"format"=>"simple", "value"=>"autograph letter, signed/1 leaf"}
{"format"=>"simple", "value"=>"typed letter, signed/2 leaves"}
{"format"=>"simple", "value"=>"typed letter, signed/2 leaves"}
{"format"=>"simple", "value"=>"autograph letter, signed/1 leaf"}
{"format"=>"simple", "value"=>"Telegram/1 leaf"}
- container
-
{"type"=>"reel", "value"=>"4"}
{"type"=>"folder", "value"=>"250"}
- date_start
-
1938-03-08
- keydate
-
1938-03-08
- date_end
-
1939-10-30
- date_inclusive_start
-
1938
- date_inclusive_end
-
1939