Cover a variety of topics. Other handbooks, manuals, and guides provide basic information. Those ideas, research results, opinions, and, the actual wording the original author uses are, from a legal standpoint, the intellectual property of the author. Published in print, and increasingly online. Contains multiple articles.
Databases often provide citations to journal articles.
Detailed examination, statistical analysis, graphics, bibliography usually included. The cataloging system used by the Library of Congress. Assigns all materials to one or more of 245,000 subject headings, and these headings are assigned to letters of the alphabet. This information is confidential, and is accessible only to you and authorized library staff. Most databases allow you to limit your search results.