Index 01 02 03 04 05 06 07 08 09 Previous      Next Word searches are much like Internet search engine searches, as they provide major sources but also minor or less relevant sources. For example, the search for "Babylon" produced 79 ENCYCLOPEDIA sources. It is likely that in some of these sources, Babylon is only referred to in a minor way, making them not very useful. Refine your search to produce more relevant results. To refine a search, click on AND, OR, or NOT and type an additional term in the window that appears. Don't forget to click on SEARCH. You can use this feature to search for a topic you have used several words to define - for example, "Primo" AND "Levi," or "Babylon" AND "economy." View This example produced 1 ENCYCLOPEDIA source. View Continue to Next Screen © 2003-2009 Educational Broadcasting Corporation. All Rights Reserved.