If you select any of the checkboxes under Regions, Subjects or Periods you will now be shown a network diagram of the group-level connections to your choice of topics. Below is an example showing the groups that are connected to the selection Midlands, Economic History, 16th century and 17th century:
Below the diagram you can still find the list of relevant publications that you will probably be familiar with. Please try out the new feature and let us know what you think.