- unitid
-
{"value"=>"354294", "type"=>"local_mss"}
{"value"=>"33433108792809", "type"=>"local_barcode"}
- unitdate
-
{"value"=>"1907-1912", "type"=>"inclusive", "normal"=>"1907/1912"}
- date_inclusive_start
-
1907
- date_inclusive_end
-
1912
- keydate
-
1907
- unittitle
-
{"value"=>"<span class=\"title\">The Spring Maid</span>; <span class=\"title\">Oh! Oh! Delphine</span>; and <span class=\"title\">The Merry Widow</span>"}
- container
-
{"type"=>"box", "value"=>"9"}
{"type"=>"volume", "value"=>"1"}
- date_start
-
1907
- date_end
-
1912