Librarians often suggest searching in databases if you feel like you aren't getting specific-enough results in HOLLIS. Remember, HOLLIS doesn't catalog everything. Try a database - you may find some duplication, but you might also find new resources related to your topic.
Similarly, searching within academic journals can give you more specific results. Search within databases and journals the same way you did in HOLLIS.
Below are some recommended databases and journals for the two primary components of your assignment.
For Anxieties and Their Histories:
For Literature and Criticism:
General Cross-Disciplinary Databases: