01048nai a2200241 a 4500001000400000003000800004005001700012006001900029007000700048008004100055040001500096245004900111260004000160310002200200500011200222520025100334538003600585506003500621650004700656710002100703730003300724856004900757410EOS.Web20090623113920.5m        m        cr cn|071112c20079999ilua   ds     00| 0|eng d  aICWBcICWB00aWorld Book advanced h[electronic resource].  a[Chicago, IL] :bWorld Book,c2007-  aUpdated regularly  aIncludes searchable dictionary, atlas, multimedia, citation builder, e-books, and primary source documents.  a"More than 1.3 million pages of primary source documents–books, documents, selections–fully integrated with the encyclopedia content. Research and teaching tools include timelines, citation builder, and saved research" - publisher's web site.  aMode of access: World Wide Web.  aAccess limited to subscribers. 0aEncyclopedias and dictionaries vDatabases2 aWorld Book, Inc.4 aThe World Book encyclopedia.4 uhttp://www.worldbookonline.com/advanced/home