- unitdate
-
{"value"=>"1961", "type"=>"inclusive", "normal"=>"1961"}
- date_inclusive_start
-
1961
- date_inclusive_end
-
1961
- unittitle
-
{"value"=>"<span class=\"persname\">Heacox, Arthur E</span> <span class=\"title\">Keyboard Training in Harmony.</span> Summy-Birchard Publishing Co., Evanston, Illinois,."}
- scopecontent
-
{"value"=>"<p>Book A. For piano.</p>"}
- container
-
{"type"=>"folder", "value"=>"650"}
- unitid
-
{"type"=>"local_mss", "value"=>"789308"}
- date_start
-
1961
- date_end
-
1961
- keydate
-
1961