- unitid
-
{"value"=>"*LO. 4435"}
{"type"=>"local_mss", "value"=>"914143"}
- unitdate
-
{"value"=>"May 31, 1950", "type"=>"inclusive", "normal"=>"1950-05-31"}
- date_inclusive_start
-
1950
- date_inclusive_end
-
1950
- unittitle
-
{"value"=>"<span class=\"title\">La spagnola</span>,."}
- physdesc
-
{"format"=>"simple", "value"=>"1 sound disc : analog, 78 rpm, mono. ; 10 in."}
- note
-
{"type"=>"did", "value"=>"Matrix number: B-32873-B. On label: Chesterfield. Performer: Rosa Ponselle. Test pressing."}
- date_start
-
1950-05-31
- date_end
-
1950-05-31
- keydate
-
1950-05-31