The Themes button enables you to narrow down your display to specific
subject areas within all books, with the exception of The Hutchinson
Concise Chronology of World History and The Helicon Book
of Days, which are sorted chronologically. These are:
You can select one or more of these themes to filter the subject areas you wish to see displayed.
To select themes, click on the Themes button on the HHRS menu bar. The Select Subject screen appears. Select the subject areas you wish to see by checking or unchecking the relevant boxes, then click on OK.
When the theme filter is selected, the pattern on the Themes button changes, to remind you that the contents list will only display articles in the subject areas you have chosen. If on selecting a particular set of themes and carrying out a search you do not find the expected results, try selecting additional themes, or revert to listing all subject areas, by clicking on All, then on OK.