But this index is not confined to the contents of one single book, but covers the contents of several hundred magazines. That's an example of a periodical index . It performs the same function as the index for a book, that is, tells you where to look for a certain piece of information. You can go to one source, a periodical index, that gives you access to the contents of a whole bunch of magazines and journals all at once. Jackson Library subscribes to over 120 online periodical indexes.
Some online indexes are very general in scope, covering many different topics.
Others cover specific subjects such as Sociology, Language and Literature, Biology and so on. It covers a wide variety of topics , from the arts to the sciences, humanities and social sciences. It tells you what journals we own in Jackson Library . So if you can't get an article directly from Expanded Academic Index , you can tell whether the library has it or not. Let's take a look at how Expanded Academic Index works.