There can be some overlap between the library's online resources and things that can be found openly on the Web. Here are a few examples:

• Google Scholar, which is an electronic database similar to ones that the library pays for, is free and open to the public at http://scholar.google.com
   
• WorldCat is a library database that contains information about thousands of books and lists the libraries that own each one. This database is also free and open to the public at http://www.worldcat.org
   
• A search engine may even retrieve fulltext articles that the library subscribes to, if you are on campus, and on the University network. Since you are already authenticated by being on campus, you might click through to fulltext directly! (However, those outside the Philadelphia University community can NOT click through).