LIBR 100 Lecture Notes - Lecture 5: North American Industry Classification System, Ebsco Information Services, Lithium Bromide

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You can often get what you need from a general database, but there are also specialized databases that focus on specific disciplines and subject areas. These databases are more comprehensive in covering the scholarly literature in a specific discipline or subject area. A subject database will cover more journals in that subject area than a general database. You might also find out about other types of material like books, chapters in books, dissertations, reports, and other sources that are important to that discipline. Some subject databases focus on a specific material type. For example, within the discipline of history there is a database that contains primary source material such as manuscripts, pamphlets, maps, and books going as far back as 1490. Another example is a science database that provides access to government-released environmental impact statements. Searching subject databases is a good idea when you want to search deeper in a particular field and when your topic is narrower.

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