You will need to search the library's online UR Catalog (VOYAGER) to see if we have the books or articles you want. For a journal article, you must search for the journal (Journal Title search. For a book chapter you must search by the name of the book (Title search) or the editor of the book (Author search). For a book you can search either by author or title.
You can conduct a wider search for articles and books through the Articles and Books tab. It's a great place to start as it searches resources that U of R may or may not have.