https://github.com/duke-libraries/ddr-portals/blob/master/digital_collections/portal_view_configs.yml

Show fields (fields that display on the item record):

• title
• alternative title
• permanent_url
• date
• creator
• contributor
• description
• local_id
• Is_Part_Of - labeled ‘Part of’ —> this is used to allow ‘Browse by Collection’ feature
• Is_Member_Of_Collection - labeled ‘Digital Collection'
• EAD_ID
• spatial - labeled ‘Location’
• subject
• format
• publisher
• extent
• series
• subseries
• box_number 
• folder
• print_number
• provenance
• rights
• sponsor

Facet fields (fields that appear as facets when metadata is present to support it):

• series
• year (date)
• format
• subject
• spatial
• creator
• collection
• box_number
• contributor