Use the WorldCat databse to identify books on your topic. WorldCat included books at WMU as well as other libraries throughout the country. Use the interlibrary loan system to request delivery of books to your address.
Comprehensive catalog of books and other materials in libraries around the world. Contains millions of records in hundreds of languages. Items located through WorldCat must be requested through Interlibrary Loan unless they are also listed in the WMU libraries catalog. (Library Search)
Nonbook materials include (among other publication formats) journals and magazines, manuscripts, maps, electronic resources, websites, computer programs, musical scores, films, slides, sound recordings, conference proceedings, and videotapes and discs.
Google Books can be a good source for electronic versions of books.