Law materials are organized in the Blough-Weis Library using the Library of Congress Classification System.
You may want to look on the shelf where books on your subject are located in order to see what is available.
WorldCat is a catalog of books, periodicals, audio and visual materials, and maps held in more than 9,000 libraries throughout the United States and around the world:
To find books at other libraries (outside of SU) for research on your topic
to have the book borrowed for you from another library (see example below)