The print books in Burke Library are arranged by Call Number in the Library Catalog.
If you want to find all the books on a particular subject, simply do a keyword or subject search for the topic you're interested in. "Renaissance Literature" for example. This will allow you to Browse items in the catalog that might be of interest.
To search for a specific book, simply select the drop-down option for Title or Author and type in the title or author of the book you are looking for.
Look at the sidebars alongside the results of your search. The links there will lead you to other subjects or titles that might fall into the subject area you're looking for.
Once you find a book that interests you, look at the LOCATION. Reference books are located on the first floor of the library in front of the reference desk. The Stacks are located on the 2nd Floor, which has all the books with call numbers A-PN, and the Lower Level, which has all the books with call numbers from PR-Z.