Search Primo for books on your topic.  When you find a book that looks especially useful, click on its subject headings to locate more books on the same topic.

• Use the bibliographies in subject encyclopedias to identify specific book titles.
• Look up each book title in Primo.
• When you find a book, click on "item details" to find the subject headings.
• Click on any (or all) of these subject headings to find more books on the topic.

What are the subject headings for this book?

Other good sources for citation mining are published annotated bibliographies:

These e-journal collections provide access to many journals, but they are more limited in coverage compared to subject databases.  In most cases, it's better to search subject databases to identify articles, and then use Primo to link to the materials in these e-journal collections.  However, for interdisciplinary topics, these e-journal collections may be good places to start.