- unitid
-
{"value"=>"3378487", "type"=>"local_mss"}
{"value"=>"216513", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1930s", "type"=>"inclusive", "normal"=>"1930/1939"}
- unittitle
-
{"value"=>"May Day Parade, New York City"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 moving image recording", "unit"=>"moving_image_recordings"}]}
- date_start
-
1930
- keydate
-
1930
- date_end
-
1939
- date_inclusive_start
-
1930
- date_inclusive_end
-
1939
- extent_statement
-
1 moving image recording