Start in the library catalog
Do a few keyword searches in the library catalog. Once you find a relevant book, click on the Details link and look at the Subjects to find similar items. When you click on a subject, it will run a new search on that topic.
Browse the shelves
Books are organized on the shelves according to topic, so once you find a promising source, write down its call number and then go to the shelves and look at the books around it for related works.
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