- unitid
-
{"value"=>"*LJ-16 7473", "type"=>"local_call"}
{"value"=>"*LJ-16 7474", "type"=>"local_call"}
{"value"=>"911842", "type"=>"local_mss"}
- unitdate
-
{"value"=>"October 12, 1949", "type"=>"inclusive", "normal"=>"1949-10-12"}
- unittitle
-
{"value"=>"<span class=\"title\">Symphonies, no. 1, op. 21, C major</span> / <span class=\"persname\">Ludwig van Beethoven</span>"}
- physdesc
-
{"format"=>"simple", "value"=>"2 sound discs : analog, aluminum-based acetate, mono. ; 16 in."}
- note
-
{"value"=>"On accompanying material \"last of 49-50 season.\" Access restricted. Advanced notification required for use."}
- date_start
-
1949-10-12
- keydate
-
1949-10-12
- date_end
-
1949-10-12
- date_inclusive_start
-
1949
- date_inclusive_end
-
1949