{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 box", "unit"=>"containers"}, {"name"=>"extent", "value"=>"0.21 linear feet", "unit"=>"linear_feet"}]}
note
{"value"=>"This series contains legal documents related to copyright such as copyright agreements and certification of deposit. Arrangement by alphabetical order and date."}