Improve Detail Views

[ctot-nondef]

• [x] some available data is not yet visible in the detail views:

  • [x] year
  • [x] publishing house
  • [x] series

• [ ] display needs to be adjusted

  • [ ] consistently display labels/keys along with values
  • [x] visually distinguish between keys and values
  • [x] separate multiple categories with something other than commas