Books are not the only sources of information available when you are writing a research paper. One of the most common alternative sources are periodical articles .
Periodicals are publications issued on an ongoing basis.
You may have heard periodicals referred to as serials and magazines . Some examples of periodicals or magazines are Time and Maclean's . Other examples such as Studies in English Literature and Shakespeare Quarterly are scholarly journals . Using an electronic source is one method of finding periodical articles. A periodical database will help you find the information you require.