- unitid
-
{"value"=>"800670", "type"=>"local_mss"}
- unitdate
-
{"value"=>"c1850", "type"=>"inclusive", "normal"=>"1850"}
- unittitle
-
{"value"=>"<span class=\"persname\">Bach, Johann Sebastian.</span> [<span class=\"title\">Brandenburgische Konzerte</span>] Orchestra concerti e danze (Six Brandenburg Concertos and Three Orchestral Suites). Leipzig: C.F. Peters"}
- scopecontent
-
{"value"=>"<p>Pl. no. 3301, 3396, 3406, 3429, 3445, 3528, 3541, 3544, 3556.</p> <p>Annotations are not those of AT, but possibly that of Arrigo Boito.</p>"}
- container
-
{"type"=>"folder", "value"=>"A6"}
- date_start
-
1850
- keydate
-
1850
- date_end
-
1850
- date_inclusive_start
-
1850
- date_inclusive_end
-
1850