Looking for paper nursing books? In addition to searching the library's book catalog, you can browse the shelves. All our books are shelved according to the Library of Congress (LC) classification, an alphanumeric system. Nursing books, for example, have call numbers beginning with the letters RT -- letters that are followed by numbers ranging from 1 to 120. This page tells you where within that range you can find books on nursing specialties. It also gives you some general call numbers for books related to nursing.